Add parameter to getDwarfRegNum to permit targets
to use different mappings for EH and debug info;
no functional change yet.
Fix warning in X86CodeEmitter.



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@44056 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/Target/Alpha/AlphaRegisterInfo.cpp b/lib/Target/Alpha/AlphaRegisterInfo.cpp
index 6cf9df7..3d1747e 100644
--- a/lib/Target/Alpha/AlphaRegisterInfo.cpp
+++ b/lib/Target/Alpha/AlphaRegisterInfo.cpp
@@ -480,7 +480,7 @@
   return 0;
 }
 
-int AlphaRegisterInfo::getDwarfRegNum(unsigned RegNum) const {
+int AlphaRegisterInfo::getDwarfRegNum(unsigned RegNum, bool isEH) const {
   assert(0 && "What is the dwarf register number");
   return -1;
 }