[LLVMbugs] [Bug 4050] New: ICE: Node was deleted but visit returned new node!

[bugzilla-daemon at cs.uiuc.edu]

http://llvm.org/bugs/show_bug.cgi?id=4050

           Summary: ICE: Node was deleted but visit returned new node!
           Product: new-bugs
           Version: unspecified
          Platform: PC
        OS/Version: Linux
            Status: NEW
          Severity: normal
          Priority: P2
         Component: new bugs
        AssignedTo: unassignedbugs at nondot.org
        ReportedBy: regehr at cs.utah.edu
                CC: llvmbugs at cs.uiuc.edu


Seen using r69856 on Ubuntu Hardy on x86.

regehr at john-home:~/volatile/tmp148$ llvm-gcc -c -Wall -O2 small.c
cc1: DAGCombiner.cpp:675: void<unnamed>::DAGCombiner::Run(llvm::CombineLevel):
Assertion `N->getOpcode() != ISD::DELETED_NODE && RV.getNode()->getOpcode() !=
ISD::DELETED_NODE && "Node was deleted but visit returned new node!"' failed.
small.c:24: internal compiler error: Aborted
Please submit a full bug report,
with preprocessed source if appropriate.
See <URL:http://llvm.org/bugs/> for instructions.

regehr at john-home:~/volatile/tmp148$ cat small.c

struct S1
{
  short int f0;
  int f1;
};

struct S1 g_10 = {
  1, 1
};

void func_28 (long long int p_30, long long int p_32);

struct S1 func_26 (struct S1 p_27)
{
  func_28 (p_27.f1, g_10.f1);
  return g_10;
}

void func93 (struct S1);

void int322 (int foo)
{
  func93 (func_26 (g_10));
}


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