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PreserveImportsExportsJS fuzzer: Handle JS differences in stack traces #8610

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Merged
kripken merged 2 commits into from
Apr 16, 2026
+3 −2
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PreserveImportsExportsJS fuzzer: Handle JS differences in stack traces #8610

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kripken Apr 15, 2026
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kripken Apr 15, 2026
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5 changes: 3 additions & 2 deletions scripts/fuzz_opt.py
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Original file line number Diff line number Diff line change
Expand Up @@ -2223,13 +2223,14 @@ def do_run(self, vm, js, wasm):
# must also remove the specific trap, as Binaryen can change
# that.
line = 'TRAP'
elif 'wasm://' in line or '(<anonymous>)' in line:
elif line.startswith(' at '):
# This is part of a stack trace like
#
# at wasm://wasm/12345678:wasm-function[42]:0x123
# at (<anonymous>)
# at file.js
#
# Ignore it, as traces differ based on optimizations.
# Ignore it, as details of traces differ based on optimizations.
continue
cleaned.append(line)
return '\n'.join(cleaned)
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