diff options
| -rw-r--r-- | lib/Lex/Lexer.cpp | 3 | ||||
| -rw-r--r-- | test/Lexer/c90.c | 3 |
2 files changed, 5 insertions, 1 deletions
diff --git a/lib/Lex/Lexer.cpp b/lib/Lex/Lexer.cpp index 91c4f66403..3e3aaae5f5 100644 --- a/lib/Lex/Lexer.cpp +++ b/lib/Lex/Lexer.cpp @@ -2710,7 +2710,8 @@ uint32_t Lexer::tryReadUCN(const char *&StartPtr, const char *SlashLoc, return 0; if (!LangOpts.CPlusPlus && !LangOpts.C99) { - Diag(SlashLoc, diag::warn_ucn_not_valid_in_c89); + if (Result && !isLexingRawMode()) + Diag(SlashLoc, diag::warn_ucn_not_valid_in_c89); return 0; } diff --git a/test/Lexer/c90.c b/test/Lexer/c90.c index 826d910b29..649173d71d 100644 --- a/test/Lexer/c90.c +++ b/test/Lexer/c90.c @@ -41,3 +41,6 @@ int test4() { } #define MY_UCN \u00FC // expected-warning {{universal character names are only valid in C99 or C++; treating as '\' followed by identifier}} +#define NOT_A_UCN \h // no-warning + +extern int idWithUCN\u00FC; // expected-warning {{universal character names are only valid in C99 or C++; treating as '\' followed by identifier}} expected-error {{expected ';'}} |