[Webkit-unassigned] [Bug 202881] New: If First Webassembly call fails, subsequent calls succeed

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=202881

            Bug ID: 202881
           Summary: If First Webassembly call fails, subsequent calls
                    succeed
           Product: WebKit
           Version: Safari 13
          Hardware: Macintosh
                OS: macOS 10.14
            Status: NEW
          Severity: Major
          Priority: P2
         Component: WebAssembly
          Assignee: webkit-unassigned at lists.webkit.org
          Reporter: tiberiusferreira at gmail.com

The first webassembly call to the browser fails, resulting in the following errors in the console:

https://user-images.githubusercontent.com/5420615/66705574-e6d3cf80-ecfe-11e9-8774-a1ece8cb7317.png

This requires a dummy call to be made before starting the webapp itself.

The issue was first documented here: https://github.com/David-OConnor/seed/issues/241

The issue exists in version: Version 13.0.2 (14608.2.40.1.2) and Technology Preview Safari: Release 93 (Safari 13.1, WebKit 14609.1.5)

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