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

lib/Transforms/IPO/Inliner.cpp

@@ -36,7 +36,7 @@ namespace {
         cl::desc("Control the amount of inlining to perform (default = 200)"));
 }
 
-const int Inliner::ID = 0;
+const char Inliner::ID = 0;
 Inliner::Inliner() 
   : CallGraphSCCPass((intptr_t)&ID), InlineThreshold(InlineLimit) {}