Fix crashing on TargetCustom PseudoSourceValues

Default to something more reasonable if printCustom isn't implemented.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@298941 91177308-0d34-0410-b5e6-96231b3b80d8

lib/CodeGen/PseudoSourceValue.cpp

@@ -29,7 +29,10 @@ PseudoSourceValue::PseudoSourceValue(PSVKind Kind) : Kind(Kind) {}
 PseudoSourceValue::~PseudoSourceValue() {}
 
 void PseudoSourceValue::printCustom(raw_ostream &O) const {
-  O << PSVNames[Kind];
+  if (Kind < TargetCustom)
+    O << PSVNames[Kind];
+  else
+    O << "TargetCustom" << Kind;
 }
 
 bool PseudoSourceValue::isConstant(const MachineFrameInfo *) const {