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-rw-r--r--clang/test/Lexer/utf8-invalid.c6
1 files changed, 6 insertions, 0 deletions
diff --git a/clang/test/Lexer/utf8-invalid.c b/clang/test/Lexer/utf8-invalid.c
index c4dd318e786..f9d2b59a6bd 100644
--- a/clang/test/Lexer/utf8-invalid.c
+++ b/clang/test/Lexer/utf8-invalid.c
@@ -1,6 +1,12 @@
// RUN: %clang_cc1 -fsyntax-only -verify %s
+// RUN: %clang_cc1 -E %s -o /dev/null
// Note: this file contains invalid UTF-8 before the variable name in the
// next line. Please do not fix!
extern int ‚x; // expected-error{{source file is not valid UTF-8}}
+
+#if 0
+// Don't warn about bad UTF-8 in raw lexing mode.
+extern int ‚x;
+#endif
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