Fixup for r167558: Store raw pointer (instead of reference) to RelocMap in DIContext. This is needed to prevent crashes because of dangling reference if the clients don't provide RelocMap to DIContext constructor.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@167728 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/DebugInfo/DIContext.cpp b/lib/DebugInfo/DIContext.cpp
index 691a92c..6484abc 100644
--- a/lib/DebugInfo/DIContext.cpp
+++ b/lib/DebugInfo/DIContext.cpp
@@ -20,7 +20,7 @@
                                       StringRef lineSection,
                                       StringRef stringSection,
                                       StringRef rangeSection,
-                                      const RelocAddrMap &Map) {
+                                      const RelocAddrMap *Map) {
   return new DWARFContextInMemory(isLittleEndian, infoSection, abbrevSection,
                                   aRangeSection, lineSection, stringSection,
                                   rangeSection, Map);