before: https://build.webkit.org/builders/JSCOnly%20Linux%20ARMv7%20Thumb2%20Release/builds/430 (48 fails) after: https://build.webkit.org/builders/JSCOnly%20Linux%20ARMv7%20Thumb2%20Release/builds/431 (72 fails) New failing tests: es6.yaml/es6/Proxy_internal_get_calls_RegExp.prototype.test.js.default regress/script-tests/regexp-prototype-test-observable-side-effects2.js.default regress/script-tests/regexp-prototype-test-observable-side-effects.js.default stress/sink-arguments-past-invalid-check-int32-dfg.js.always-trigger-copy-phase stress/sink-arguments-past-invalid-check-int32-dfg.js.default stress/sink-arguments-past-invalid-check-int32-dfg.js.dfg-eager stress/sink-arguments-past-invalid-check-int32-dfg.js.dfg-eager-no-cjit-validate stress/sink-arguments-past-invalid-check-int32-dfg.js.dfg-maximal-flush-validate-no-cjit stress/sink-arguments-past-invalid-check-int32-dfg.js.no-cjit-validate-phases stress/sink-arguments-past-invalid-check-int32-dfg.js.no-llint stress/sink-arguments-past-invalid-check-int32.js.always-trigger-copy-phase stress/sink-arguments-past-invalid-check-int32.js.default stress/sink-arguments-past-invalid-check-int32.js.dfg-eager stress/sink-arguments-past-invalid-check-int32.js.dfg-eager-no-cjit-validate stress/sink-arguments-past-invalid-check-int32.js.dfg-maximal-flush-validate-no-cjit stress/sink-arguments-past-invalid-check-int32.js.no-cjit-validate-phases stress/sink-arguments-past-invalid-check-int32.js.no-llint stress/sink-object-past-invalid-check-int32.js.always-trigger-copy-phase stress/sink-object-past-invalid-check-int32.js.default stress/sink-object-past-invalid-check-int32.js.dfg-eager stress/sink-object-past-invalid-check-int32.js.dfg-eager-no-cjit-validate stress/sink-object-past-invalid-check-int32.js.dfg-maximal-flush-validate-no-cjit stress/sink-object-past-invalid-check-int32.js.no-cjit-validate-phases stress/sink-object-past-invalid-check-int32.js.no-llint But no failures on the GTK ARMv7 Thumb2 bot and JSCOnly ARMv7 traditional.
A clean build fixed it: https://build.webkit.org/builders/JSCOnly%20Linux%20ARMv7%20Thumb2%20Release/builds/453 new bug report to fix the build system: bug157266 *** This bug has been marked as a duplicate of bug 157266 ***