diff options
Diffstat (limited to 'lib')
| -rw-r--r-- | lib/Lex/Lexer.cpp | 3 |
1 files changed, 2 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; } |