Use mergeable strings sections on sparc

llvm-svn: 54541
diff --git a/llvm/lib/Target/Sparc/SparcTargetAsmInfo.cpp b/llvm/lib/Target/Sparc/SparcTargetAsmInfo.cpp
index 5fd99ed..39c7442 100644
--- a/llvm/lib/Target/Sparc/SparcTargetAsmInfo.cpp
+++ b/llvm/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 {