Consider the visibility of template template arguments. GCC doesn't, but it also
fails to consider the linkage, which we were already considering.
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@161070 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/AST/Decl.cpp b/lib/AST/Decl.cpp
index c98853a..d5b0be3 100644
--- a/lib/AST/Decl.cpp
+++ b/lib/AST/Decl.cpp
@@ -710,6 +710,10 @@
if (llvm::Optional<Visibility> V = getVisibilityOf(this))
return V;
+ // The visibility of a template is stored in the templated decl.
+ if (const TemplateDecl *TD = dyn_cast<TemplateDecl>(this))
+ return getVisibilityOf(TD->getTemplatedDecl());
+
// If there wasn't explicit visibility there, and this is a
// specialization of a class template, check for visibility
// on the pattern.
diff --git a/test/CodeGenCXX/visibility.cpp b/test/CodeGenCXX/visibility.cpp
index d2f58f9..0145039 100644
--- a/test/CodeGenCXX/visibility.cpp
+++ b/test/CodeGenCXX/visibility.cpp
@@ -1094,3 +1094,21 @@
// CHECK-HIDDEN: define linkonce_odr hidden void @_ZN6test594testIXadL_ZNS_1fEvEEXadL_ZNS_1gEvEEEEvv
}
}
+
+namespace test60 {
+ template<int i>
+ class __attribute__((visibility("hidden"))) a {};
+ template<int i>
+ class __attribute__((visibility("default"))) b {};
+ template<template<int> class x, template<int> class y>
+ void test() {}
+ void use() {
+ test<a, b>();
+ // CHECK: define linkonce_odr hidden void @_ZN6test604testINS_1aENS_1bEEEvv
+ // CHECK-HIDDEN: define linkonce_odr hidden void @_ZN6test604testINS_1aENS_1bEEEvv
+
+ test<b, a>();
+ // CHECK: define linkonce_odr hidden void @_ZN6test604testINS_1bENS_1aEEEvv
+ // CHECK-HIDDEN: define linkonce_odr hidden void @_ZN6test604testINS_1bENS_1aEEEvv
+ }
+}
