Use 'static const char' instead of 'static const int'.
Due to darwin gcc bug, one version of darwin linker coalesces
static const int, which defauts PassID based pass identification.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@36652 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/CodeGen/RegAllocLinearScan.cpp b/lib/CodeGen/RegAllocLinearScan.cpp
index b45d983..1e345a4 100644
--- a/lib/CodeGen/RegAllocLinearScan.cpp
+++ b/lib/CodeGen/RegAllocLinearScan.cpp
@@ -48,7 +48,7 @@
   static unsigned numIntervals = 0;
 
   struct VISIBILITY_HIDDEN RA : public MachineFunctionPass {
-    static const int ID;
+    static const char ID;
     RA() : MachineFunctionPass((intptr_t)&ID) {}
 
     typedef std::pair<LiveInterval*, LiveInterval::iterator> IntervalPtr;
@@ -149,7 +149,7 @@
       }
     }
   };
-  const int RA::ID = 0;
+  const char RA::ID = 0;
 }
 
 void RA::ComputeRelatedRegClasses() {