diff options
Diffstat (limited to 'clang/lib/AST/StmtPrinter.cpp')
| -rw-r--r-- | clang/lib/AST/StmtPrinter.cpp | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/clang/lib/AST/StmtPrinter.cpp b/clang/lib/AST/StmtPrinter.cpp index a45b9a27270..3ee63e020ae 100644 --- a/clang/lib/AST/StmtPrinter.cpp +++ b/clang/lib/AST/StmtPrinter.cpp @@ -1250,6 +1250,12 @@ void StmtPrinter::VisitCharacterLiteral(CharacterLiteral *Node) { OS << "'\\v'"; break; default: + // A character literal might be sign-extended, which + // would result in an invalid \U escape sequence. + // FIXME: multicharacter literals such as '\xFF\xFF\xFF\xFF' + // are not correctly handled. + if ((value & ~0xFFu) == ~0xFFu && Node->getKind() == CharacterLiteral::Ascii) + value &= 0xFFu; if (value < 256 && isPrintable((unsigned char)value)) OS << "'" << (char)value << "'"; else if (value < 256) |
