Comment #3 on issue 5537 by masc...@google.com: llvm/clang-proto-fuzzer:
ASSERT: isLoopInvariant(Operands[i], L) && "SCEVAddRecExpr operand is not
loop-invariant
https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=5537#c3
Smaller reproducer:
$ cat repro.c
void foo(int *a) {
a[0] = 1;
while ((a[32] * a[0])) {
a[0] = (1 + a[0]);
}
while ((((a[0] * a[0]) * (a[0] * a[0])) * a[0])) {
a[0] = ((1073741824) + a[0]);
}
}
$ clang -cc1 -triple x86_64-unknown-linux-gnu -O2 -emit-obj repro.c
clang: lib/Analysis/ScalarEvolution.cpp:3269: const llvm::SCEV
*llvm::ScalarEvolution::getAddRecExpr(SmallVectorImpl<const llvm::SCEV *>
&, const llvm::Loop *, SCEV::NoWrapFlags): Assertion
`isLoopInvariant(Operands[i], L) && "SCEVAddRecExpr operand is not
loop-invariant!"' failed.
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