[PATCH] D65371: do not emit -Wunused-macros warnings in -frewrite-includes mode (PR15614)
Luboš Luňák via Phabricator via cfe-commits
cfe-commits at lists.llvm.org
Sat Jul 27 12:44:11 PDT 2019
llunak created this revision.
llunak added a reviewer: rsmith.
Herald added a project: clang.
Herald added a subscriber: cfe-commits.
This is an updated patch from https://bugs.llvm.org/show_bug.cgi?id=15614. See there for testcase etc.
Repository:
rC Clang
https://reviews.llvm.org/D65371
Files:
clang/lib/Lex/PPDirectives.cpp
Index: clang/lib/Lex/PPDirectives.cpp
===================================================================
--- clang/lib/Lex/PPDirectives.cpp
+++ clang/lib/Lex/PPDirectives.cpp
@@ -2723,7 +2723,8 @@
// If we need warning for not using the macro, add its location in the
// warn-because-unused-macro set. If it gets used it will be removed from set.
if (getSourceManager().isInMainFile(MI->getDefinitionLoc()) &&
- !Diags->isIgnored(diag::pp_macro_not_used, MI->getDefinitionLoc())) {
+ !Diags->isIgnored(diag::pp_macro_not_used, MI->getDefinitionLoc()) &&
+ !MacroExpansionInDirectivesOverride) {
MI->setIsWarnIfUnused(true);
WarnUnusedMacroLocs.insert(MI->getDefinitionLoc());
}
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