tests: fix fallout in flowgraph graphviz comparison dot files.

26 files changed, 78 insertions, 26 deletions

diff --git a/src/test/run-make/graphviz-flowgraph/f00.dot-expected.dot b/src/test/run-make/graphviz-flowgraph/f00.dot-expected.dot
index f699771ef24..8ea8370ab23 100644
--- a/src/test/run-make/graphviz-flowgraph/f00.dot-expected.dot
+++ b/src/test/run-make/graphviz-flowgraph/f00.dot-expected.dot
@@ -2,6 +2,8 @@ digraph block {
     N0[label="entry"];
     N1[label="exit"];
     N2[label="block { }"];
+    N3[label="expr { }"];
     N0 -> N2;
-    N2 -> N1;
+    N2 -> N3;
+    N3 -> N1;
 }
diff --git a/src/test/run-make/graphviz-flowgraph/f01.dot-expected.dot b/src/test/run-make/graphviz-flowgraph/f01.dot-expected.dot
index d924890b311..5982fbea769 100644
--- a/src/test/run-make/graphviz-flowgraph/f01.dot-expected.dot
+++ b/src/test/run-make/graphviz-flowgraph/f01.dot-expected.dot
@@ -4,8 +4,10 @@ digraph block {
     N2[label="expr 1"];
     N3[label="stmt 1;"];
     N4[label="block { 1; }"];
+    N5[label="expr { 1; }"];
     N0 -> N2;
     N2 -> N3;
     N3 -> N4;
-    N4 -> N1;
+    N4 -> N5;
+    N5 -> N1;
 }
diff --git a/src/test/run-make/graphviz-flowgraph/f02.dot-expected.dot b/src/test/run-make/graphviz-flowgraph/f02.dot-expected.dot
index 1f4a58ba0a3..1639785bd68 100644
--- a/src/test/run-make/graphviz-flowgraph/f02.dot-expected.dot
+++ b/src/test/run-make/graphviz-flowgraph/f02.dot-expected.dot
@@ -4,8 +4,10 @@ digraph block {
     N2[label="local _x"];
     N3[label="stmt let _x: isize;"];
     N4[label="block { let _x: isize; }"];
+    N5[label="expr { let _x: isize; }"];
     N0 -> N2;
     N2 -> N3;
     N3 -> N4;
-    N4 -> N1;
+    N4 -> N5;
+    N5 -> N1;
 }
diff --git a/src/test/run-make/graphviz-flowgraph/f03.dot-expected.dot b/src/test/run-make/graphviz-flowgraph/f03.dot-expected.dot
index 8b650076185..b0ae00d8167 100644
--- a/src/test/run-make/graphviz-flowgraph/f03.dot-expected.dot
+++ b/src/test/run-make/graphviz-flowgraph/f03.dot-expected.dot
@@ -6,10 +6,12 @@ digraph block {
     N4[label="expr 3 + 4"];
     N5[label="stmt 3 + 4;"];
     N6[label="block { 3 + 4; }"];
+    N7[label="expr { 3 + 4; }"];
     N0 -> N2;
     N2 -> N3;
     N3 -> N4;
     N4 -> N5;
     N5 -> N6;
-    N6 -> N1;
+    N6 -> N7;
+    N7 -> N1;
 }
diff --git a/src/test/run-make/graphviz-flowgraph/f04.dot-expected.dot b/src/test/run-make/graphviz-flowgraph/f04.dot-expected.dot
index fde6cc29005..41ace15a4c6 100644
--- a/src/test/run-make/graphviz-flowgraph/f04.dot-expected.dot
+++ b/src/test/run-make/graphviz-flowgraph/f04.dot-expected.dot
@@ -5,9 +5,11 @@ digraph block {
     N3[label="local _x"];
     N4[label="stmt let _x = 4;"];
     N5[label="block { let _x = 4; }"];
+    N6[label="expr { let _x = 4; }"];
     N0 -> N2;
     N2 -> N3;
     N3 -> N4;
     N4 -> N5;
-    N5 -> N1;
+    N5 -> N6;
+    N6 -> N1;
 }
diff --git a/src/test/run-make/graphviz-flowgraph/f05.dot-expected.dot b/src/test/run-make/graphviz-flowgraph/f05.dot-expected.dot
index efd56cd0c75..72b8ae71751 100644
--- a/src/test/run-make/graphviz-flowgraph/f05.dot-expected.dot
+++ b/src/test/run-make/graphviz-flowgraph/f05.dot-expected.dot
@@ -9,6 +9,7 @@ digraph block {
     N7[label="pat (_x, _y)"];
     N8[label="stmt let (_x, _y) = (5, 55);"];
     N9[label="block { let (_x, _y) = (5, 55); }"];
+    N10[label="expr { let (_x, _y) = (5, 55); }"];
     N0 -> N2;
     N2 -> N3;
     N3 -> N4;
@@ -17,5 +18,6 @@ digraph block {
     N6 -> N7;
     N7 -> N8;
     N8 -> N9;
-    N9 -> N1;
+    N9 -> N10;
+    N10 -> N1;
 }
diff --git a/src/test/run-make/graphviz-flowgraph/f06.dot-expected.dot b/src/test/run-make/graphviz-flowgraph/f06.dot-expected.dot
index 54e9d89d3fb..acba71ef625 100644
--- a/src/test/run-make/graphviz-flowgraph/f06.dot-expected.dot
+++ b/src/test/run-make/graphviz-flowgraph/f06.dot-expected.dot
@@ -7,11 +7,13 @@ digraph block {
     N5[label="pat S6 { val: _x }"];
     N6[label="stmt let S6 { val: _x } = S6{val: 6,};"];
     N7[label="block { let S6 { val: _x } = S6{val: 6,}; }"];
+    N8[label="expr { let S6 { val: _x } = S6{val: 6,}; }"];
     N0 -> N2;
     N2 -> N3;
     N3 -> N4;
     N4 -> N5;
     N5 -> N6;
     N6 -> N7;
-    N7 -> N1;
+    N7 -> N8;
+    N8 -> N1;
 }
diff --git a/src/test/run-make/graphviz-flowgraph/f07.dot-expected.dot b/src/test/run-make/graphviz-flowgraph/f07.dot-expected.dot
index c60cd1cfd27..251e2b39f14 100644
--- a/src/test/run-make/graphviz-flowgraph/f07.dot-expected.dot
+++ b/src/test/run-make/graphviz-flowgraph/f07.dot-expected.dot
@@ -17,6 +17,7 @@ digraph block {
     N15[label="expr x + y"];
     N16[label="stmt match [7, 77, 777, 7777] { [x, y, ..] => x + y, };"];
     N17[label="block { match [7, 77, 777, 7777] { [x, y, ..] => x + y, }; }"];
+    N18[label="expr { match [7, 77, 777, 7777] { [x, y, ..] => x + y, }; }"];
     N0 -> N2;
     N2 -> N3;
     N3 -> N4;
@@ -33,5 +34,6 @@ digraph block {
     N15 -> N7;
     N7 -> N16;
     N16 -> N17;
-    N17 -> N1;
+    N17 -> N18;
+    N18 -> N1;
 }
diff --git a/src/test/run-make/graphviz-flowgraph/f08.dot-expected.dot b/src/test/run-make/graphviz-flowgraph/f08.dot-expected.dot
index da0120b7bdc..e2779c9414a 100644
--- a/src/test/run-make/graphviz-flowgraph/f08.dot-expected.dot
+++ b/src/test/run-make/graphviz-flowgraph/f08.dot-expected.dot
@@ -16,6 +16,7 @@ digraph block {
     N14[label="block { _y = 888; }"];
     N15[label="expr if x > 88 { _y = 888; }"];
     N16[label="block { let x = 8; let _y; if x > 88 { _y = 888; } }"];
+    N17[label="expr { let x = 8; let _y; if x > 88 { _y = 888; } }"];
     N0 -> N2;
     N2 -> N3;
     N3 -> N4;
@@ -32,5 +33,6 @@ digraph block {
     N9 -> N15;
     N14 -> N15;
     N15 -> N16;
-    N16 -> N1;
+    N16 -> N17;
+    N17 -> N1;
 }
diff --git a/src/test/run-make/graphviz-flowgraph/f09.dot-expected.dot b/src/test/run-make/graphviz-flowgraph/f09.dot-expected.dot
index c98d1b0bed5..536abde91e8 100644
--- a/src/test/run-make/graphviz-flowgraph/f09.dot-expected.dot
+++ b/src/test/run-make/graphviz-flowgraph/f09.dot-expected.dot
@@ -24,6 +24,7 @@ digraph block {
     N22[label="expr { _y = 94 + 95; }"];
     N23[label="expr if x > 92 { _y = 93; } else { _y = 94 + 95; }"];
     N24[label="block { let x = 91; let _y; if x > 92 { _y = 93; } else { _y = 94 + 95; } }"];
+    N25[label="expr { let x = 91; let _y; if x > 92 { _y = 93; } else { _y = 94 + 95; } }"];
     N0 -> N2;
     N2 -> N3;
     N3 -> N4;
@@ -48,5 +49,6 @@ digraph block {
     N14 -> N23;
     N22 -> N23;
     N23 -> N24;
-    N24 -> N1;
+    N24 -> N25;
+    N25 -> N1;
 }
diff --git a/src/test/run-make/graphviz-flowgraph/f10.dot-expected.dot b/src/test/run-make/graphviz-flowgraph/f10.dot-expected.dot
index 516c39ef560..a3b531b1e2f 100644
--- a/src/test/run-make/graphviz-flowgraph/f10.dot-expected.dot
+++ b/src/test/run-make/graphviz-flowgraph/f10.dot-expected.dot
@@ -15,6 +15,7 @@ digraph block {
     N13[label="stmt x -= 1;"];
     N14[label="block { x -= 1; }"];
     N15[label="block { let mut x = 10; while x > 0 { x -= 1; } }"];
+    N16[label="expr { let mut x = 10; while x > 0 { x -= 1; } }"];
     N0 -> N2;
     N2 -> N3;
     N3 -> N4;
@@ -30,5 +31,6 @@ digraph block {
     N13 -> N14;
     N14 -> N5;
     N9 -> N15;
-    N15 -> N1;
+    N15 -> N16;
+    N16 -> N1;
 }
diff --git a/src/test/run-make/graphviz-flowgraph/f11.dot-expected.dot b/src/test/run-make/graphviz-flowgraph/f11.dot-expected.dot
index 9b66fd581cb..70034d299ba 100644
--- a/src/test/run-make/graphviz-flowgraph/f11.dot-expected.dot
+++ b/src/test/run-make/graphviz-flowgraph/f11.dot-expected.dot
@@ -15,6 +15,7 @@ digraph block {
     N13[label="expr \"unreachable\""];
     N14[label="stmt \"unreachable\";"];
     N15[label="block { let mut _x = 11; loop  { _x -= 1; } \"unreachable\"; }"];
+    N16[label="expr { let mut _x = 11; loop  { _x -= 1; } \"unreachable\"; }"];
     N0 -> N2;
     N2 -> N3;
     N3 -> N4;
@@ -29,5 +30,6 @@ digraph block {
     N12 -> N13;
     N13 -> N14;
     N14 -> N15;
-    N15 -> N1;
+    N15 -> N16;
+    N16 -> N1;
 }
diff --git a/src/test/run-make/graphviz-flowgraph/f12.dot-expected.dot b/src/test/run-make/graphviz-flowgraph/f12.dot-expected.dot
index 071af6faf6f..245afc43504 100644
--- a/src/test/run-make/graphviz-flowgraph/f12.dot-expected.dot
+++ b/src/test/run-make/graphviz-flowgraph/f12.dot-expected.dot
@@ -22,6 +22,7 @@ digraph block {
     N20[label="expr if x == 2 { break ; \"unreachable\"; }"];
     N21[label="block { x -= 1; if x == 2 { break ; \"unreachable\"; } }"];
     N22[label="block { let mut x = 12; loop  { x -= 1; if x == 2 { break ; \"unreachable\"; } } }"];
+    N23[label="expr { let mut x = 12; loop  { x -= 1; if x == 2 { break ; \"unreachable\"; } } }"];
     N0 -> N2;
     N2 -> N3;
     N3 -> N4;
@@ -44,5 +45,6 @@ digraph block {
     N20 -> N21;
     N21 -> N5;
     N6 -> N22;
-    N22 -> N1;
+    N22 -> N23;
+    N23 -> N1;
 }
diff --git a/src/test/run-make/graphviz-flowgraph/f13.dot-expected.dot b/src/test/run-make/graphviz-flowgraph/f13.dot-expected.dot
index fb7d2ad97bd..0f268bd0f2a 100644
--- a/src/test/run-make/graphviz-flowgraph/f13.dot-expected.dot
+++ b/src/test/run-make/graphviz-flowgraph/f13.dot-expected.dot
@@ -24,6 +24,7 @@ digraph block {
     N22[label="expr _y"];
     N23[label="expr _y = v + 1"];
     N24[label="block {\l    let x = E13::E13b(13);\l    let _y;\l    match x { E13::E13a => _y = 1, E13::E13b(v) => _y = v + 1, }\l}\l"];
+    N25[label="expr {\l    let x = E13::E13b(13);\l    let _y;\l    match x { E13::E13a => _y = 1, E13::E13b(v) => _y = v + 1, }\l}\l"];
     N0 -> N2;
     N2 -> N3;
     N3 -> N4;
@@ -48,5 +49,6 @@ digraph block {
     N22 -> N23;
     N23 -> N10;
     N10 -> N24;
-    N24 -> N1;
+    N24 -> N25;
+    N25 -> N1;
 }
diff --git a/src/test/run-make/graphviz-flowgraph/f14.dot-expected.dot b/src/test/run-make/graphviz-flowgraph/f14.dot-expected.dot
index 66250aa441e..719a6cf2619 100644
--- a/src/test/run-make/graphviz-flowgraph/f14.dot-expected.dot
+++ b/src/test/run-make/graphviz-flowgraph/f14.dot-expected.dot
@@ -15,6 +15,7 @@ digraph block {
     N13[label="block { return; \"unreachable\"; }"];
     N14[label="expr if x > 1 { return; \"unreachable\"; }"];
     N15[label="block { let x = 14; if x > 1 { return; \"unreachable\"; } }"];
+    N16[label="expr { let x = 14; if x > 1 { return; \"unreachable\"; } }"];
     N0 -> N2;
     N2 -> N3;
     N3 -> N4;
@@ -30,5 +31,6 @@ digraph block {
     N7 -> N14;
     N13 -> N14;
     N14 -> N15;
-    N15 -> N1;
+    N15 -> N16;
+    N16 -> N1;
 }
diff --git a/src/test/run-make/graphviz-flowgraph/f15.dot-expected.dot b/src/test/run-make/graphviz-flowgraph/f15.dot-expected.dot
index 4c94630f4e1..d8cbd8411e2 100644
--- a/src/test/run-make/graphviz-flowgraph/f15.dot-expected.dot
+++ b/src/test/run-make/graphviz-flowgraph/f15.dot-expected.dot
@@ -49,6 +49,7 @@ digraph block {
     N47[label="stmt x -= 5;"];
     N48[label="block {\l    \'inner:\l        loop  {\l            if x == 1 { break \'outer ; \"unreachable\"; }\l            if y >= 2 { break ; \"unreachable\"; }\l            y -= 3;\l        }\l    y -= 4;\l    x -= 5;\l}\l"];
     N49[label="block {\l    let mut x = 15;\l    let mut y = 151;\l    \'outer:\l        loop  {\l            \'inner:\l                loop  {\l                    if x == 1 { break \'outer ; \"unreachable\"; }\l                    if y >= 2 { break ; \"unreachable\"; }\l                    y -= 3;\l                }\l            y -= 4;\l            x -= 5;\l        }\l}\l"];
+    N50[label="expr {\l    let mut x = 15;\l    let mut y = 151;\l    \'outer:\l        loop  {\l            \'inner:\l                loop  {\l                    if x == 1 { break \'outer ; \"unreachable\"; }\l                    if y >= 2 { break ; \"unreachable\"; }\l                    y -= 3;\l                }\l            y -= 4;\l            x -= 5;\l        }\l}\l"];
     N0 -> N2;
     N2 -> N3;
     N3 -> N4;
@@ -99,5 +100,6 @@ digraph block {
     N47 -> N48;
     N48 -> N8;
     N9 -> N49;
-    N49 -> N1;
+    N49 -> N50;
+    N50 -> N1;
 }
diff --git a/src/test/run-make/graphviz-flowgraph/f16.dot-expected.dot b/src/test/run-make/graphviz-flowgraph/f16.dot-expected.dot
index d7d027cefb5..b11881247fb 100644
--- a/src/test/run-make/graphviz-flowgraph/f16.dot-expected.dot
+++ b/src/test/run-make/graphviz-flowgraph/f16.dot-expected.dot
@@ -52,6 +52,7 @@ digraph block {
     N50[label="expr \"unreachable\""];
     N51[label="stmt \"unreachable\";"];
     N52[label="block {\l    let mut x = 16;\l    let mut y = 16;\l    \'outer:\l        loop  {\l            \'inner:\l                loop  {\l                    if x == 1 { continue \'outer ; \"unreachable\"; }\l                    if y >= 1 { break ; \"unreachable\"; }\l                    y -= 1;\l                }\l            y -= 1;\l            x -= 1;\l        }\l    \"unreachable\";\l}\l"];
+    N53[label="expr {\l    let mut x = 16;\l    let mut y = 16;\l    \'outer:\l        loop  {\l            \'inner:\l                loop  {\l                    if x == 1 { continue \'outer ; \"unreachable\"; }\l                    if y >= 1 { break ; \"unreachable\"; }\l                    y -= 1;\l                }\l            y -= 1;\l            x -= 1;\l        }\l    \"unreachable\";\l}\l"];
     N0 -> N2;
     N2 -> N3;
     N3 -> N4;
@@ -105,5 +106,6 @@ digraph block {
     N49 -> N50;
     N50 -> N51;
     N51 -> N52;
-    N52 -> N1;
+    N52 -> N53;
+    N53 -> N1;
 }
diff --git a/src/test/run-make/graphviz-flowgraph/f17.dot-expected.dot b/src/test/run-make/graphviz-flowgraph/f17.dot-expected.dot
index f87b70a71ca..705eece7755 100644
--- a/src/test/run-make/graphviz-flowgraph/f17.dot-expected.dot
+++ b/src/test/run-make/graphviz-flowgraph/f17.dot-expected.dot
@@ -8,6 +8,7 @@ digraph block {
     N6[label="local _v"];
     N7[label="stmt let _v = [1, 7, 17];"];
     N8[label="block { let _v = [1, 7, 17]; }"];
+    N9[label="expr { let _v = [1, 7, 17]; }"];
     N0 -> N2;
     N2 -> N3;
     N3 -> N4;
@@ -15,5 +16,6 @@ digraph block {
     N5 -> N6;
     N6 -> N7;
     N7 -> N8;
-    N8 -> N1;
+    N8 -> N9;
+    N9 -> N1;
 }
diff --git a/src/test/run-make/graphviz-flowgraph/f18.dot-expected.dot b/src/test/run-make/graphviz-flowgraph/f18.dot-expected.dot
index 8ea42561332..c1d6e3023fb 100644
--- a/src/test/run-make/graphviz-flowgraph/f18.dot-expected.dot
+++ b/src/test/run-make/graphviz-flowgraph/f18.dot-expected.dot
@@ -9,6 +9,7 @@ digraph block {
     N7[label="expr inner(inner(18))"];
     N8[label="stmt inner(inner(18));"];
     N9[label="block { inner(inner(18)); }"];
+    N10[label="expr { inner(inner(18)); }"];
     N0 -> N2;
     N2 -> N3;
     N3 -> N4;
@@ -17,5 +18,6 @@ digraph block {
     N6 -> N7;
     N7 -> N8;
     N8 -> N9;
-    N9 -> N1;
+    N9 -> N10;
+    N10 -> N1;
 }
diff --git a/src/test/run-make/graphviz-flowgraph/f19.dot-expected.dot b/src/test/run-make/graphviz-flowgraph/f19.dot-expected.dot
index bc0ca08d422..d2f9f41f647 100644
--- a/src/test/run-make/graphviz-flowgraph/f19.dot-expected.dot
+++ b/src/test/run-make/graphviz-flowgraph/f19.dot-expected.dot
@@ -12,6 +12,7 @@ digraph block {
     N10[label="expr s.inner().inner()"];
     N11[label="stmt s.inner().inner();"];
     N12[label="block { let s = S19{x: 19,}; s.inner().inner(); }"];
+    N13[label="expr { let s = S19{x: 19,}; s.inner().inner(); }"];
     N0 -> N2;
     N2 -> N3;
     N3 -> N4;
@@ -23,5 +24,6 @@ digraph block {
     N9 -> N10;
     N10 -> N11;
     N11 -> N12;
-    N12 -> N1;
+    N12 -> N13;
+    N13 -> N1;
 }
diff --git a/src/test/run-make/graphviz-flowgraph/f20.dot-expected.dot b/src/test/run-make/graphviz-flowgraph/f20.dot-expected.dot
index 21e84fb858b..120eab4dac9 100644
--- a/src/test/run-make/graphviz-flowgraph/f20.dot-expected.dot
+++ b/src/test/run-make/graphviz-flowgraph/f20.dot-expected.dot
@@ -12,6 +12,7 @@ digraph block {
     N10[label="expr v[20]"];
     N11[label="stmt v[20];"];
     N12[label="block { let v = [2, 0, 20]; v[20]; }"];
+    N13[label="expr { let v = [2, 0, 20]; v[20]; }"];
     N0 -> N2;
     N2 -> N3;
     N3 -> N4;
@@ -23,5 +24,6 @@ digraph block {
     N9 -> N10;
     N10 -> N11;
     N11 -> N12;
-    N12 -> N1;
+    N12 -> N13;
+    N13 -> N1;
 }
diff --git a/src/test/run-make/graphviz-flowgraph/f21.dot-expected.dot b/src/test/run-make/graphviz-flowgraph/f21.dot-expected.dot
index 796bf4910c9..370dcdd8554 100644
--- a/src/test/run-make/graphviz-flowgraph/f21.dot-expected.dot
+++ b/src/test/run-make/graphviz-flowgraph/f21.dot-expected.dot
@@ -47,6 +47,7 @@ digraph block {
     N45[label="stmt \"unreachable\";"];
     N46[label="block {\l    \'inner:\l        loop  {\l            if x == 1 { break \'outer ; \"unreachable\"; }\l            if y >= 2 { return; \"unreachable\"; }\l            y -= 3;\l            x -= 5;\l        }\l    \"unreachable\";\l}\l"];
     N47[label="block {\l    let mut x = 15;\l    let mut y = 151;\l    \'outer:\l        loop  {\l            \'inner:\l                loop  {\l                    if x == 1 { break \'outer ; \"unreachable\"; }\l                    if y >= 2 { return; \"unreachable\"; }\l                    y -= 3;\l                    x -= 5;\l                }\l            \"unreachable\";\l        }\l}\l"];
+    N48[label="expr {\l    let mut x = 15;\l    let mut y = 151;\l    \'outer:\l        loop  {\l            \'inner:\l                loop  {\l                    if x == 1 { break \'outer ; \"unreachable\"; }\l                    if y >= 2 { return; \"unreachable\"; }\l                    y -= 3;\l                    x -= 5;\l                }\l            \"unreachable\";\l        }\l}\l"];
     N0 -> N2;
     N2 -> N3;
     N3 -> N4;
@@ -95,5 +96,6 @@ digraph block {
     N45 -> N46;
     N46 -> N8;
     N9 -> N47;
-    N47 -> N1;
+    N47 -> N48;
+    N48 -> N1;
 }
diff --git a/src/test/run-make/graphviz-flowgraph/f22.dot-expected.dot b/src/test/run-make/graphviz-flowgraph/f22.dot-expected.dot
index 9e8049f0741..9d3bc22831a 100644
--- a/src/test/run-make/graphviz-flowgraph/f22.dot-expected.dot
+++ b/src/test/run-make/graphviz-flowgraph/f22.dot-expected.dot
@@ -50,6 +50,7 @@ digraph block {
     N48[label="expr \"unreachable\""];
     N49[label="stmt \"unreachable\";"];
     N50[label="block {\l    let mut x = 15;\l    let mut y = 151;\l    \'outer:\l        loop  {\l            \'inner:\l                loop  {\l                    if x == 1 { continue \'outer ; \"unreachable\"; }\l                    if y >= 2 { return; \"unreachable\"; }\l                    x -= 1;\l                    y -= 3;\l                }\l            \"unreachable\";\l        }\l    \"unreachable\";\l}\l"];
+    N51[label="expr {\l    let mut x = 15;\l    let mut y = 151;\l    \'outer:\l        loop  {\l            \'inner:\l                loop  {\l                    if x == 1 { continue \'outer ; \"unreachable\"; }\l                    if y >= 2 { return; \"unreachable\"; }\l                    x -= 1;\l                    y -= 3;\l                }\l            \"unreachable\";\l        }\l    \"unreachable\";\l}\l"];
     N0 -> N2;
     N2 -> N3;
     N3 -> N4;
@@ -101,5 +102,6 @@ digraph block {
     N47 -> N48;
     N48 -> N49;
     N49 -> N50;
-    N50 -> N1;
+    N50 -> N51;
+    N51 -> N1;
 }
diff --git a/src/test/run-make/graphviz-flowgraph/f23.dot-expected.dot b/src/test/run-make/graphviz-flowgraph/f23.dot-expected.dot
index b3f285049c5..f152977438c 100644
--- a/src/test/run-make/graphviz-flowgraph/f23.dot-expected.dot
+++ b/src/test/run-make/graphviz-flowgraph/f23.dot-expected.dot
@@ -52,6 +52,7 @@ digraph block {
     N50[label="block { y -= 1; while z > 0 { z -= 1; } if x > 10 { return; \"unreachable\"; } }"];
     N51[label="block {\l    x -= 1;\l    while y > 0 {\l        y -= 1;\l        while z > 0 { z -= 1; }\l        if x > 10 { return; \"unreachable\"; }\l    }\l}\l"];
     N52[label="block {\l    let mut x = 23;\l    let mut y = 23;\l    let mut z = 23;\l    while x > 0 {\l        x -= 1;\l        while y > 0 {\l            y -= 1;\l            while z > 0 { z -= 1; }\l            if x > 10 { return; \"unreachable\"; }\l        }\l    }\l}\l"];
+    N53[label="expr {\l    let mut x = 23;\l    let mut y = 23;\l    let mut z = 23;\l    while x > 0 {\l        x -= 1;\l        while y > 0 {\l            y -= 1;\l            while z > 0 { z -= 1; }\l            if x > 10 { return; \"unreachable\"; }\l        }\l    }\l}\l"];
     N0 -> N2;
     N2 -> N3;
     N3 -> N4;
@@ -107,5 +108,6 @@ digraph block {
     N24 -> N51;
     N51 -> N11;
     N15 -> N52;
-    N52 -> N1;
+    N52 -> N53;
+    N53 -> N1;
 }
diff --git a/src/test/run-make/graphviz-flowgraph/f24.dot-expected.dot b/src/test/run-make/graphviz-flowgraph/f24.dot-expected.dot
index 43b3295bf3b..e40dd014f0a 100644
--- a/src/test/run-make/graphviz-flowgraph/f24.dot-expected.dot
+++ b/src/test/run-make/graphviz-flowgraph/f24.dot-expected.dot
@@ -76,6 +76,7 @@ digraph block {
     N74[label="block {\l    if y == 0 { break ; \"unreachable\"; }\l    y -= 1;\l    loop  { if z == 0 { break ; \"unreachable\"; } z -= 1; }\l    if x > 10 { return; \"unreachable\"; }\l}\l"];
     N75[label="block {\l    if x == 0 { break ; \"unreachable\"; }\l    x -= 1;\l    loop  {\l        if y == 0 { break ; \"unreachable\"; }\l        y -= 1;\l        loop  { if z == 0 { break ; \"unreachable\"; } z -= 1; }\l        if x > 10 { return; \"unreachable\"; }\l    }\l}\l"];
     N76[label="block {\l    let mut x = 24;\l    let mut y = 24;\l    let mut z = 24;\l    loop  {\l        if x == 0 { break ; \"unreachable\"; }\l        x -= 1;\l        loop  {\l            if y == 0 { break ; \"unreachable\"; }\l            y -= 1;\l            loop  { if z == 0 { break ; \"unreachable\"; } z -= 1; }\l            if x > 10 { return; \"unreachable\"; }\l        }\l    }\l}\l"];
+    N77[label="expr {\l    let mut x = 24;\l    let mut y = 24;\l    let mut z = 24;\l    loop  {\l        if x == 0 { break ; \"unreachable\"; }\l        x -= 1;\l        loop  {\l            if y == 0 { break ; \"unreachable\"; }\l            y -= 1;\l            loop  { if z == 0 { break ; \"unreachable\"; } z -= 1; }\l            if x > 10 { return; \"unreachable\"; }\l        }\l    }\l}\l"];
     N0 -> N2;
     N2 -> N3;
     N3 -> N4;
@@ -155,5 +156,6 @@ digraph block {
     N29 -> N75;
     N75 -> N11;
     N12 -> N76;
-    N76 -> N1;
+    N76 -> N77;
+    N77 -> N1;
 }
diff --git a/src/test/run-make/graphviz-flowgraph/f25.dot-expected.dot b/src/test/run-make/graphviz-flowgraph/f25.dot-expected.dot
index 50fdffb781d..1e2df1ab5e7 100644
--- a/src/test/run-make/graphviz-flowgraph/f25.dot-expected.dot
+++ b/src/test/run-make/graphviz-flowgraph/f25.dot-expected.dot
@@ -76,6 +76,7 @@ digraph block {
     N74[label="block {\l    if y == 0 { break ; \"unreachable\"; }\l    y -= 1;\l    \'a: loop  { if z == 0 { break ; \"unreachable\"; } z -= 1; }\l    if x > 10 { continue \'a ; \"unreachable\"; }\l}\l"];
     N75[label="block {\l    if x == 0 { break ; \"unreachable\"; }\l    x -= 1;\l    \'a:\l        loop  {\l            if y == 0 { break ; \"unreachable\"; }\l            y -= 1;\l            \'a: loop  { if z == 0 { break ; \"unreachable\"; } z -= 1; }\l            if x > 10 { continue \'a ; \"unreachable\"; }\l        }\l}\l"];
     N76[label="block {\l    let mut x = 25;\l    let mut y = 25;\l    let mut z = 25;\l    \'a:\l        loop  {\l            if x == 0 { break ; \"unreachable\"; }\l            x -= 1;\l            \'a:\l                loop  {\l                    if y == 0 { break ; \"unreachable\"; }\l                    y -= 1;\l                    \'a: loop  { if z == 0 { break ; \"unreachable\"; } z -= 1; }\l                    if x > 10 { continue \'a ; \"unreachable\"; }\l                }\l        }\l}\l"];
+    N77[label="expr {\l    let mut x = 25;\l    let mut y = 25;\l    let mut z = 25;\l    \'a:\l        loop  {\l            if x == 0 { break ; \"unreachable\"; }\l            x -= 1;\l            \'a:\l                loop  {\l                    if y == 0 { break ; \"unreachable\"; }\l                    y -= 1;\l                    \'a: loop  { if z == 0 { break ; \"unreachable\"; } z -= 1; }\l                    if x > 10 { continue \'a ; \"unreachable\"; }\l                }\l        }\l}\l"];
     N0 -> N2;
     N2 -> N3;
     N3 -> N4;
@@ -155,5 +156,6 @@ digraph block {
     N29 -> N75;
     N75 -> N11;
     N12 -> N76;
-    N76 -> N1;
+    N76 -> N77;
+    N77 -> N1;
 }