[Webkit-unassigned] [Bug 120033] New: Incorrect behavior on emscripten-compiled cube2hash

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=120033

           Summary: Incorrect behavior on emscripten-compiled cube2hash
           Product: WebKit
           Version: 528+ (Nightly build)
          Platform: Unspecified
        OS/Version: Unspecified
            Status: UNCONFIRMED
          Severity: Normal
          Priority: P2
         Component: JavaScriptCore
        AssignedTo: webkit-unassigned at lists.webkit.org
        ReportedBy: alonzakai at gmail.com


Created an attachment (id=209135)
 --> (https://bugs.webkit.org/attachment.cgi?id=209135&action=review)
cube2hash

Attached is the cube2 hash function compiled from C using emscripten. In jsc it gives incorrect results, for example

$ jsc src.cpp.o.js  -- fleefl
hash value: 2912ECE742D4821CD4B778CEBEACD081E97D3F4CBEACD081
$ d8 src.cpp.o.js -- fleefl
hash value: 892BDB6FD3F62E863D63DA55851700FDE3ACF30204798CE9
$ mozjs src.cpp.o.js fleefl
hash value: 892BDB6FD3F62E863D63DA55851700FDE3ACF30204798CE9

(i.e. jsc differs from v8 and sm)

Sorry for the non-trivial size, almost all the emscripten test suite passes but for a few larger tests I am afraid, all the smaller ones do not fail.

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