stress/proxy-construct.js introduced in http://trac.webkit.org/changeset/196868 , but fails on ARM Linux 32 bit with ARM instruction set, but passes with Thumb2. Running stress/proxy-construct.js.default stress/proxy-construct.js.default: Exception: Error: Bad assertion stress/proxy-construct.js.default: assert@proxy-construct.js:3:24 stress/proxy-construct.js.default: target@proxy-construct.js:223:15 stress/proxy-construct.js.default: construct@proxy-construct.js:231:26 stress/proxy-construct.js.default: [native code] stress/proxy-construct.js.default: global code@proxy-construct.js:237:18 stress/proxy-construct.js.default: ERROR: Unexpected exit code: 3 FAIL: stress/proxy-construct.js.default It fails in all configuration: stress/proxy-construct.js.always-trigger-copy-phase stress/proxy-construct.js.default stress/proxy-construct.js.dfg-eager stress/proxy-construct.js.dfg-eager-no-cjit-validate stress/proxy-construct.js.dfg-maximal-flush-validate-no-cjit stress/proxy-construct.js.no-cjit-validate-phases stress/proxy-construct.js.no-llint