diff options
Diffstat (limited to 'clang/lib/Lex/PPDirectives.cpp')
-rw-r--r-- | clang/lib/Lex/PPDirectives.cpp | 7 |
1 files changed, 5 insertions, 2 deletions
diff --git a/clang/lib/Lex/PPDirectives.cpp b/clang/lib/Lex/PPDirectives.cpp index 2dfb6233bdf..502da738425 100644 --- a/clang/lib/Lex/PPDirectives.cpp +++ b/clang/lib/Lex/PPDirectives.cpp @@ -1066,8 +1066,11 @@ void Preprocessor::HandleIncludeDirective(Token &IncludeTok, return; } - // Verify that there is nothing after the filename, other than EOM. - CheckEndOfDirective(IncludeTok.getIdentifierInfo()->getName()); + // Verify that there is nothing after the filename, other than EOM. Note that + // we allow macros that expand to nothing after the filename, because this + // falls into the category of "#include pp-tokens new-line" specified in + // C99 6.10.2p4. + CheckEndOfDirective(IncludeTok.getIdentifierInfo()->getName(), true); // Check that we don't have infinite #include recursion. if (IncludeMacroStack.size() == MaxAllowedIncludeStackDepth-1) { |