Use mergeable strings sections on sparc

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@54541 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/Target/Sparc/SparcTargetAsmInfo.cpp b/lib/Target/Sparc/SparcTargetAsmInfo.cpp
index 5fd99ed..39c7442 100644
--- a/lib/Target/Sparc/SparcTargetAsmInfo.cpp
+++ b/lib/Target/Sparc/SparcTargetAsmInfo.cpp
@@ -24,6 +24,7 @@
   CommentString = "!";
   ConstantPoolSection = "\t.section \".rodata\",#alloc\n";
   COMMDirectiveTakesAlignment = true;
+  CStringSection=".rodata.str";
 }
 
 std::string SparcELFTargetAsmInfo::PrintSectionFlags(unsigned flags) const {