Teach our Dwarf emission to use the string pool.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@143097 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/MC/MCAsmInfo.cpp b/lib/MC/MCAsmInfo.cpp
index 95861bc..c330e74 100644
--- a/lib/MC/MCAsmInfo.cpp
+++ b/lib/MC/MCAsmInfo.cpp
@@ -91,6 +91,7 @@
   DwarfRequiresRelocationForSectionOffset = true;
   DwarfSectionOffsetDirective = 0;
   DwarfUsesLabelOffsetForRanges = true;
+  DwarfUsesRelocationsForStringPool = true;
   DwarfRegNumForCFI = false;
   HasMicrosoftFastStdCallMangling = false;
 
diff --git a/lib/MC/MCAsmInfoDarwin.cpp b/lib/MC/MCAsmInfoDarwin.cpp
index b20e338..537d0a3 100644
--- a/lib/MC/MCAsmInfoDarwin.cpp
+++ b/lib/MC/MCAsmInfoDarwin.cpp
@@ -66,4 +66,5 @@
 
   DwarfRequiresRelocationForSectionOffset = false;
   DwarfUsesLabelOffsetForRanges = false;
+  DwarfUsesRelocationsForStringPool = false;
 }