[cfe-commits] r124096 - /cfe/trunk/lib/CodeGen/CGRTTI.cpp

[Anders Carlsson]

Author: andersca
Date: Sun Jan 23 20:12:11 2011
New Revision: 124096

URL: http://llvm.org/viewvc/llvm-project?rev=124096&view=rev
Log:
When building a type info struct for EH, we always want it to have linkonce_odr linkage.

Modified:
    cfe/trunk/lib/CodeGen/CGRTTI.cpp

Modified: cfe/trunk/lib/CodeGen/CGRTTI.cpp
URL: http://llvm.org/viewvc/llvm-project/cfe/trunk/lib/CodeGen/CGRTTI.cpp?rev=124096&r1=124095&r2=124096&view=diff
==============================================================================
--- cfe/trunk/lib/CodeGen/CGRTTI.cpp (original)
+++ cfe/trunk/lib/CodeGen/CGRTTI.cpp Sun Jan 23 20:12:11 2011
@@ -350,6 +350,12 @@
     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())