diff options
Diffstat (limited to 'clang/lib/Sema/SemaDecl.cpp')
| -rw-r--r-- | clang/lib/Sema/SemaDecl.cpp | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/clang/lib/Sema/SemaDecl.cpp b/clang/lib/Sema/SemaDecl.cpp index 80543fd532b..834041c65c0 100644 --- a/clang/lib/Sema/SemaDecl.cpp +++ b/clang/lib/Sema/SemaDecl.cpp @@ -8428,6 +8428,13 @@ Decl *Sema::ActOnFinishFunctionBody(Decl *dcl, Stmt *Body, if (FD) { FD->setBody(Body); + // The only way to be included in UndefinedInternals is if there is an + // ODR-use before the definition. Avoid the expensive map lookup if this + // is the first declaration. + if (FD->getPreviousDecl() != 0 && FD->getPreviousDecl()->isUsed() && + FD->getLinkage() != ExternalLinkage) + UndefinedInternals.erase(FD); + // If the function implicitly returns zero (like 'main') or is naked, // don't complain about missing return statements. if (FD->hasImplicitReturnZero() || FD->hasAttr<NakedAttr>()) |
