Ensure that any TypoExprs in the arguments to bultins with custom type

checking are handled before the custom type checking is performed.

Fixes PR21669.

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@222797 91177308-0d34-0410-b5e6-96231b3b80d8

1 files changed, 9 insertions, 0 deletions

diff --git a/test/SemaCXX/typo-correction-delayed.cpp b/test/SemaCXX/typo-correction-delayed.cpp
index 124f0ec2a1..bff1d7633f 100644
--- a/test/SemaCXX/typo-correction-delayed.cpp
+++ b/test/SemaCXX/typo-correction-delayed.cpp
@@ -93,3 +93,12 @@ void f(NestedNode *node) {
   NestedNode *next = node->Next();  // expected-error-re {{no member named 'Next' in 'initializerCorrections::NestedNode'{{$}}}}
 }
 }
+
+namespace PR21669 {
+void f(int *i) {
+  // Check that arguments to a builtin with custom type checking are corrected
+  // properly, since calls to such builtins bypass much of the normal code path
+  // for building and checking the call.
+  __atomic_load(i, i, something_something);  // expected-error-re {{use of undeclared identifier 'something_something'{{$}}}}
+}
+}