7090976: Eclipse/CDT causes a JVM crash while indexing C++ code

Too optimistic inlining decision confuses local value numbering.

Reviewed-by: never

hotspot/src/share/vm/c1/c1_ValueMap.cpp

@@ -125,6 +125,7 @@ Value ValueMap::find_insert(Value x) {
             // otherwise it is possible that they are not evaluated
             f->pin(Instruction::PinGlobalValueNumbering);
           }
+          assert(x->type()->tag() == f->type()->tag(), "should have same type");
 
           return f;