6 files changed, 95 insertions, 0 deletions
diff --git a/src/test/ui/suggestions/fn-to-method-deeply-nested.rs b/src/test/ui/suggestions/fn-to-method-deeply-nested.rs
new file mode 100644
index 00000000000..58ee3d6409a
--- /dev/null
+++ b/src/test/ui/suggestions/fn-to-method-deeply-nested.rs
@@ -0,0 +1,13 @@
+fn main() -> Result<(), ()> {
+    a(b(c(d(e(
+        //~^ ERROR cannot find function `a` in this scope
+        //~| ERROR cannot find function `b` in this scope
+        //~| ERROR cannot find function `c` in this scope
+        //~| ERROR cannot find function `d` in this scope
+        //~| ERROR cannot find function `e` in this scope
+        z????????????????????????????????????????????????????????????????????????????????????????
+        ?????????????????????????????????????????????????????????????????????????????????????????
+        ??????????????????????????????????????????????????????????????????
+        //~^^^ ERROR cannot find value `z` in this scope
+    )))))
+}
diff --git a/src/test/ui/suggestions/fn-to-method-deeply-nested.stderr b/src/test/ui/suggestions/fn-to-method-deeply-nested.stderr
new file mode 100644
index 00000000000..ce813ea7aba
--- /dev/null
+++ b/src/test/ui/suggestions/fn-to-method-deeply-nested.stderr
@@ -0,0 +1,39 @@
+error[E0425]: cannot find value `z` in this scope
+  --> $DIR/fn-to-method-deeply-nested.rs:8:9
+   |
+LL |         z????????????????????????????????????????????????????????????????????????????????????????
+   |         ^ not found in this scope
+
+error[E0425]: cannot find function `e` in this scope
+  --> $DIR/fn-to-method-deeply-nested.rs:2:13
+   |
+LL |     a(b(c(d(e(
+   |             ^ not found in this scope
+
+error[E0425]: cannot find function `d` in this scope
+  --> $DIR/fn-to-method-deeply-nested.rs:2:11
+   |
+LL |     a(b(c(d(e(
+   |           ^ not found in this scope
+
+error[E0425]: cannot find function `c` in this scope
+  --> $DIR/fn-to-method-deeply-nested.rs:2:9
+   |
+LL |     a(b(c(d(e(
+   |         ^ not found in this scope
+
+error[E0425]: cannot find function `b` in this scope
+  --> $DIR/fn-to-method-deeply-nested.rs:2:7
+   |
+LL |     a(b(c(d(e(
+   |       ^ not found in this scope
+
+error[E0425]: cannot find function `a` in this scope
+  --> $DIR/fn-to-method-deeply-nested.rs:2:5
+   |
+LL |     a(b(c(d(e(
+   |     ^ not found in this scope
+
+error: aborting due to 6 previous errors
+
+For more information about this error, try `rustc --explain E0425`.
diff --git a/src/test/ui/typeck/check-args-on-fn-err-2.rs b/src/test/ui/typeck/check-args-on-fn-err-2.rs
new file mode 100644
index 00000000000..af57dbe3317
--- /dev/null
+++ b/src/test/ui/typeck/check-args-on-fn-err-2.rs
@@ -0,0 +1,5 @@
+fn main() {
+    a((), 1i32 == 2u32);
+    //~^ ERROR cannot find function `a` in this scope
+    //~| ERROR mismatched types
+}
diff --git a/src/test/ui/typeck/check-args-on-fn-err-2.stderr b/src/test/ui/typeck/check-args-on-fn-err-2.stderr
new file mode 100644
index 00000000000..301bb88dbac
--- /dev/null
+++ b/src/test/ui/typeck/check-args-on-fn-err-2.stderr
@@ -0,0 +1,23 @@
+error[E0308]: mismatched types
+  --> $DIR/check-args-on-fn-err-2.rs:2:19
+   |
+LL |     a((), 1i32 == 2u32);
+   |           ----    ^^^^ expected `i32`, found `u32`
+   |           |
+   |           expected because this is `i32`
+   |
+help: change the type of the numeric literal from `u32` to `i32`
+   |
+LL |     a((), 1i32 == 2i32);
+   |                    ~~~
+
+error[E0425]: cannot find function `a` in this scope
+  --> $DIR/check-args-on-fn-err-2.rs:2:5
+   |
+LL |     a((), 1i32 == 2u32);
+   |     ^ not found in this scope
+
+error: aborting due to 2 previous errors
+
+Some errors have detailed explanations: E0308, E0425.
+For more information about an error, try `rustc --explain E0308`.
diff --git a/src/test/ui/typeck/check-args-on-fn-err.rs b/src/test/ui/typeck/check-args-on-fn-err.rs
new file mode 100644
index 00000000000..04b98ddd952
--- /dev/null
+++ b/src/test/ui/typeck/check-args-on-fn-err.rs
@@ -0,0 +1,6 @@
+fn main() {
+    unknown(1, |glyf| {
+        //~^ ERROR: cannot find function `unknown` in this scope
+        let actual = glyf;
+    });
+}
diff --git a/src/test/ui/typeck/check-args-on-fn-err.stderr b/src/test/ui/typeck/check-args-on-fn-err.stderr
new file mode 100644
index 00000000000..864d33e0e93
--- /dev/null
+++ b/src/test/ui/typeck/check-args-on-fn-err.stderr
@@ -0,0 +1,9 @@
+error[E0425]: cannot find function `unknown` in this scope
+  --> $DIR/check-args-on-fn-err.rs:2:5
+   |
+LL |     unknown(1, |glyf| {
+   |     ^^^^^^^ not found in this scope
+
+error: aborting due to previous error
+
+For more information about this error, try `rustc --explain E0425`.