[Webkit-unassigned] [Bug 203230] New: Fix incorrect assertion in operationRegExpExecNonGlobalOrSticky().

bugzilla-daemon at webkit.org bugzilla-daemon at webkit.org
Mon Oct 21 18:19:15 PDT 2019


            Bug ID: 203230
           Summary: Fix incorrect assertion in
           Product: WebKit
           Version: WebKit Nightly Build
          Hardware: Unspecified
                OS: Unspecified
            Status: NEW
          Severity: Normal
          Priority: P2
         Component: JavaScriptCore
          Assignee: webkit-unassigned at lists.webkit.org
          Reporter: mark.lam at apple.com

operationRegExpExecNonGlobalOrSticky() was asserting no exception when createRegExpMatchesArray() returns null.  createRegExpMatchesArray() only returns null when RegExp::matchInline() returns -1.  The only way RegExp::matchInline() can return -1 is via a throwError() helper which throws an exception.  The other return path in RegExp::matchInline() explicitly ASSERT(result >= -1).

Hence, the assertion in operationRegExpExecNonGlobalOrSticky() is wrong.


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