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

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=203230

            Bug ID: 203230
           Summary: Fix incorrect assertion in
                    operationRegExpExecNonGlobalOrSticky().
           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.

<rdar://problem/56460749>

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