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src/hotspot/share/code/vmreg.cpp

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rev 54542 : 8213084: Rework and enhance Print[Opto]Assembly output
Reviewed-by:

@@ -37,11 +37,11 @@
 // Register names
 const char *VMRegImpl::regName[ConcreteRegisterImpl::number_of_registers];
 
 void VMRegImpl::print_on(outputStream* st) const {
   if( is_reg() ) {
-    assert( VMRegImpl::regName[value()], "" );
+    assert(VMRegImpl::regName[value()], "VMRegImpl::regName[%ld] returns NULL", value());
     st->print("%s",VMRegImpl::regName[value()]);
   } else if (is_stack()) {
     int stk = value() - stack0->value();
     st->print("[%d]", stk*4);
   } else {
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