[llvm-bugs] [Bug 36504] New: [NewGVN] Assert "setOperand() out of range!" failed

[via llvm-bugs]

https://bugs.llvm.org/show_bug.cgi?id=36504

            Bug ID: 36504
           Summary: [NewGVN]  Assert "setOperand() out of range!" failed
           Product: libraries
           Version: trunk
          Hardware: PC
                OS: Linux
            Status: NEW
          Severity: enhancement
          Priority: P
         Component: Scalar Optimizations
          Assignee: unassignedbugs at nondot.org
          Reporter: paulsson at linux.vnet.ibm.com
                CC: llvm-bugs at lists.llvm.org

Created attachment 19950
  --> https://bugs.llvm.org/attachment.cgi?id=19950&action=edit
reduced testcase

bin/opt -O3 -mcpu=z13 -o out.opt -disable-licm-promotion -enable-newgvn
./tc_newgvn_setoperand.ll

IR/Instructions.h:2950: void llvm::PHINode::setOperand(unsigned int,
llvm::Value*): Assertion `i_nocapture < OperandTraits<PHINode>::operands(this)
&& "setOperand() out of range!"' failed.
#0 ...

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