Update the minimum external LLVM to 8

LLVM 8 was released on March 20, 2019, over a year ago.

6 files changed, 13 insertions, 26 deletions

diff --git a/src/test/codegen/enum-debug-clike.rs b/src/test/codegen/enum-debug-clike.rs
index f268c8bcbcc..134443931e9 100644
--- a/src/test/codegen/enum-debug-clike.rs
+++ b/src/test/codegen/enum-debug-clike.rs
@@ -1,18 +1,13 @@
-// This test depends on a patch that was committed to upstream LLVM
-// before 7.0, then backported to the Rust LLVM fork.  It tests that
-// debug info for "c-like" enums is properly emitted.
+// This tests that debug info for "c-like" enums is properly emitted.
+// This is ignored for the fallback mode on MSVC due to problems with PDB.
 
 // ignore-tidy-linelength
-// ignore-windows
-// min-system-llvm-version 8.0
+// ignore-msvc
 
 // compile-flags: -g -C no-prepopulate-passes
 
-// DIFlagFixedEnum was deprecated in 8.0, renamed to DIFlagEnumClass.
-// We match either for compatibility.
-
 // CHECK-LABEL: @main
-// CHECK: {{.*}}DICompositeType{{.*}}tag: DW_TAG_enumeration_type,{{.*}}name: "E",{{.*}}flags: {{(DIFlagEnumClass|DIFlagFixedEnum)}},{{.*}}
+// CHECK: {{.*}}DICompositeType{{.*}}tag: DW_TAG_enumeration_type,{{.*}}name: "E",{{.*}}flags: DIFlagEnumClass,{{.*}}
 // CHECK: {{.*}}DIEnumerator{{.*}}name: "A",{{.*}}value: {{[0-9].*}}
 // CHECK: {{.*}}DIEnumerator{{.*}}name: "B",{{.*}}value: {{[0-9].*}}
 // CHECK: {{.*}}DIEnumerator{{.*}}name: "C",{{.*}}value: {{[0-9].*}}
diff --git a/src/test/codegen/enum-debug-niche-2.rs b/src/test/codegen/enum-debug-niche-2.rs
index 0f17976ef49..0f78234d977 100644
--- a/src/test/codegen/enum-debug-niche-2.rs
+++ b/src/test/codegen/enum-debug-niche-2.rs
@@ -1,10 +1,8 @@
-// This test depends on a patch that was committed to upstream LLVM
-// before 7.0, then backported to the Rust LLVM fork.  It tests that
-// optimized enum debug info accurately reflects the enum layout.
+// This tests that optimized enum debug info accurately reflects the enum layout.
+// This is ignored for the fallback mode on MSVC due to problems with PDB.
 
 // ignore-tidy-linelength
-// ignore-windows
-// min-system-llvm-version 8.0
+// ignore-msvc
 
 // compile-flags: -g -C no-prepopulate-passes
 
diff --git a/src/test/codegen/enum-debug-niche.rs b/src/test/codegen/enum-debug-niche.rs
index 2272488375f..b718a6854dd 100644
--- a/src/test/codegen/enum-debug-niche.rs
+++ b/src/test/codegen/enum-debug-niche.rs
@@ -1,9 +1,7 @@
-// This test depends on a patch that was committed to upstream LLVM
-// before 7.0, then backported to the Rust LLVM fork.  It tests that
-// optimized enum debug info accurately reflects the enum layout.
+// This tests that optimized enum debug info accurately reflects the enum layout.
+// This is ignored for the fallback mode on MSVC due to problems with PDB.
 
-// ignore-windows
-// min-system-llvm-version 8.0
+// ignore-msvc
 
 // compile-flags: -g -C no-prepopulate-passes
 
diff --git a/src/test/codegen/enum-debug-tagged.rs b/src/test/codegen/enum-debug-tagged.rs
index 3539aae42ea..095c49ac3ac 100644
--- a/src/test/codegen/enum-debug-tagged.rs
+++ b/src/test/codegen/enum-debug-tagged.rs
@@ -1,9 +1,7 @@
-// This test depends on a patch that was committed to upstream LLVM
-// before 7.0, then backported to the Rust LLVM fork.  It tests that
-// debug info for tagged (ordinary) enums is properly emitted.
+// This tests that debug info for tagged (ordinary) enums is properly emitted.
+// This is ignored for the fallback mode on MSVC due to problems with PDB.
 
-// ignore-windows
-// min-system-llvm-version 8.0
+// ignore-msvc
 
 // compile-flags: -g -C no-prepopulate-passes
 
diff --git a/src/test/codegen/force-frame-pointers.rs b/src/test/codegen/force-frame-pointers.rs
index 4c94a601f33..637c4234654 100644
--- a/src/test/codegen/force-frame-pointers.rs
+++ b/src/test/codegen/force-frame-pointers.rs
@@ -1,4 +1,3 @@
-// min-llvm-version 8.0
 // compile-flags: -C no-prepopulate-passes -C force-frame-pointers=y
 
 #![crate_type="lib"]
diff --git a/src/test/codegen/instrument-mcount.rs b/src/test/codegen/instrument-mcount.rs
index e4e6d5ca2b8..518a2a0da2a 100644
--- a/src/test/codegen/instrument-mcount.rs
+++ b/src/test/codegen/instrument-mcount.rs
@@ -1,4 +1,3 @@
-// min-llvm-version 8.0
 // ignore-tidy-linelength
 // compile-flags: -Z instrument-mcount