A couple of tweaks to the visibility rules:
- tags with C linkage should ignore visibility=hidden
- functions and variables with explicit visibility attributes should
ignore the linkage of their types
Either of these should be sufficient to fix PR8457.
Also, FileCheck-ize a test case.
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@117351 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/AST/DeclBase.cpp b/lib/AST/DeclBase.cpp
index 483352f..5606d54 100644
--- a/lib/AST/DeclBase.cpp
+++ b/lib/AST/DeclBase.cpp
@@ -529,6 +529,17 @@
return false;
}
+bool DeclContext::isExternCContext() const {
+ const DeclContext *DC = this;
+ while (DC->DeclKind != Decl::TranslationUnit) {
+ if (DC->DeclKind == Decl::LinkageSpec)
+ return cast<LinkageSpecDecl>(DC)->getLanguage()
+ == LinkageSpecDecl::lang_c;
+ DC = DC->getParent();
+ }
+ return false;
+}
+
bool DeclContext::Encloses(const DeclContext *DC) const {
if (getPrimaryContext() != this)
return getPrimaryContext()->Encloses(DC);