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src/hotspot/share/c1/c1_LIRGenerator.cpp
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rev 52693 : 8214352: C1: Unnecessary "compilation bailout: block join failed" with JVMTI
Summary: Invalidate Phi functions for conflicting types and avoid bailout.
Reviewed-by:
@@ -1111,11 +1111,11 @@
assert(block()->next() == x, "ExceptionObject must be first instruction of block");
// no moves are created for phi functions at the begin of exception
// handlers, so assign operands manually here
for_each_phi_fun(block(), phi,
- operand_for_instruction(phi));
+ if (!phi->is_illegal()) { operand_for_instruction(phi); });
LIR_Opr thread_reg = getThreadPointer();
__ move_wide(new LIR_Address(thread_reg, in_bytes(JavaThread::exception_oop_offset()), T_OBJECT),
exceptionOopOpr());
__ move_wide(LIR_OprFact::oopConst(NULL),
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