From: Anders Carlsson <andersca@mac.com>
Date: Mon, 24 Jan 2011 02:12:11 +0000 (+0000)
Subject: When building a type info struct for EH, we always want it to have linkonce_odr linkage.
X-Git-Url: https://granicus.if.org/sourcecode?a=commitdiff_plain;h=e34e3aa7b8dfd0794e5f5293a4aef178eed10a16;p=clang

When building a type info struct for EH, we always want it to have linkonce_odr linkage.

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@124096 91177308-0d34-0410-b5e6-96231b3b80d8
---

diff --git a/lib/CodeGen/CGRTTI.cpp b/lib/CodeGen/CGRTTI.cpp
index dd7e059f19..8af0ecd978 100644
--- a/lib/CodeGen/CGRTTI.cpp
+++ b/lib/CodeGen/CGRTTI.cpp
@@ -350,6 +350,12 @@ getTypeInfoLinkage(CodeGenModule &CGM, QualType Ty) {
     return llvm::GlobalValue::InternalLinkage;
 
   case ExternalLinkage:
+    if (!CGM.getLangOptions().RTTI) {
+      // RTTI is not enabled, which means that this type info struct is going
+      // to be used for exception handling. Give it linkonce_odr linkage.
+      return llvm::GlobalValue::LinkOnceODRLinkage;
+    }
+
     if (const RecordType *Record = dyn_cast<RecordType>(Ty)) {
       const CXXRecordDecl *RD = cast<CXXRecordDecl>(Record->getDecl());
       if (RD->isDynamicClass())