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-rw-r--r--lib/Sema/SemaDecl.cpp2
1 files changed, 1 insertions, 1 deletions
diff --git a/lib/Sema/SemaDecl.cpp b/lib/Sema/SemaDecl.cpp
index d0997b03eb..3c02d4b294 100644
--- a/lib/Sema/SemaDecl.cpp
+++ b/lib/Sema/SemaDecl.cpp
@@ -304,7 +304,7 @@ NamedDecl *Sema::LazilyCreateBuiltin(IdentifierInfo *II, unsigned bid,
Diag(Loc, diag::ext_implicit_lib_function_decl)
<< Context.BuiltinInfo.GetName(BID)
<< R;
- if (Context.BuiltinInfo.getHeaderName(BID) &&
+ if (!Context.BuiltinInfo.getHeaderName(BID).empty() &&
Diags.getDiagnosticMapping(diag::ext_implicit_lib_function_decl)
!= diag::MAP_IGNORE)
Diag(Loc, diag::note_please_include_header)