fix a crash on:
__has_builtin
in an empty file, as we were overwriting the EOF token. Overwriting an arbitrary token
never seems like a good idea in the error case. This fixes a bug reported on the GCC
list :)
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@149397 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/Lex/PPMacroExpansion.cpp b/lib/Lex/PPMacroExpansion.cpp
index 0352722..d8cd440 100644
--- a/lib/Lex/PPMacroExpansion.cpp
+++ b/lib/Lex/PPMacroExpansion.cpp
@@ -1032,7 +1032,8 @@
}
OS << (int)Value;
- Tok.setKind(tok::numeric_constant);
+ if (IsValid)
+ Tok.setKind(tok::numeric_constant);
} else if (II == Ident__has_include ||
II == Ident__has_include_next) {
// The argument to these two builtins should be a parenthesized
