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fuzzer: add-dead-continue transformation can lead to invalid SPIR-V #2871

@afd

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@afd

bugtofile.zip

Use commit 92c62c5 from the fuzzer-pass-apply-id-synonyms branch to repro.

Do:

spirv-fuzz --replay=shrunk.transformations shader.spv -o temp.spv

This leads to an invalid module, temp.spv.

The pass that adds dead continues is the culprit.

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