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-rw-r--r--clang/test/Sema/typo-correction.c5
1 files changed, 5 insertions, 0 deletions
diff --git a/clang/test/Sema/typo-correction.c b/clang/test/Sema/typo-correction.c
index e98e5c00697..04cf0775f1d 100644
--- a/clang/test/Sema/typo-correction.c
+++ b/clang/test/Sema/typo-correction.c
@@ -4,3 +4,8 @@
// than in C++ and may exhibit different behavior as a result.
__typeof__(struct F*) var[invalid]; // expected-error-re {{use of undeclared identifier 'invalid'{{$}}}}
+
+void PR21656() {
+ float x;
+ x = (float)arst; // expected-error-re {{use of undeclared identifier 'arst'{{$}}}}
+}
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