1 files changed, 3 insertions, 0 deletions
diff --git a/lib/CodeGen/Mangle.cpp b/lib/CodeGen/Mangle.cpp
index 11bbaae018..081156cb6e 100644
--- a/lib/CodeGen/Mangle.cpp
+++ b/lib/CodeGen/Mangle.cpp
@@ -65,6 +65,8 @@ namespace {
     bool mangleStandardSubstitution(const NamedDecl *ND);
     
     void addSubstitution(const NamedDecl *ND) {
+      ND = cast<NamedDecl>(ND->getCanonicalDecl());
+
       addSubstitution(reinterpret_cast<uintptr_t>(ND));
     }
     void addSubstitution(QualType T);
@@ -1174,6 +1176,7 @@ bool CXXNameMangler::mangleSubstitution(const NamedDecl *ND) {
   if (mangleStandardSubstitution(ND))
     return true;
   
+  ND = cast<NamedDecl>(ND->getCanonicalDecl());
   return mangleSubstitution(reinterpret_cast<uintptr_t>(ND));
 }