Looks like we are overwriting a callee save from a C++ caller.
Created attachment 259147 [details] Patch
Comment on attachment 259147 [details] Patch View in context: https://bugs.webkit.org/attachment.cgi?id=259147&action=review > Source/JavaScriptCore/interpreter/Interpreter.cpp:638 > + copyCalleeSavesToVMCalleeSavesBuffer(visitor); Why don't we need this in the else branch? Otherwise, LGTM.
Comment on attachment 259147 [details] Patch View in context: https://bugs.webkit.org/attachment.cgi?id=259147&action=review >> Source/JavaScriptCore/interpreter/Interpreter.cpp:638 >> + copyCalleeSavesToVMCalleeSavesBuffer(visitor); > > Why don't we need this in the else branch? > > Otherwise, LGTM. This is the case that we found a handler, i.e. catch block, in the current frame. We don't process that frame's callee saves.
Committed r188556: <http://trac.webkit.org/changeset/188556>
Comment on attachment 259147 [details] Patch Cleared review? from attachment 259147 [details] so that this bug does not appear in http://webkit.org/pending-review. If you would like this patch reviewed, please attach it to a new bug (or re-open this bug before marking it for review again).