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List:       webkit-unassigned
Subject:    [Webkit-unassigned] [Bug 92797] New: gcc 4.7 complains	uninitialized variable.
From:       bugzilla-daemon () webkit ! org
Date:       2012-07-31 22:38:56
Message-ID: bug-92797-2851 () https ! bugs ! webkit ! org/
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https://bugs.webkit.org/show_bug.cgi?id=92797

           Summary: gcc 4.7 complains uninitialized variable.
           Product: WebKit
           Version: 528+ (Nightly build)
          Platform: Other
        OS/Version: Other
            Status: UNCONFIRMED
          Severity: Normal
          Priority: P2
         Component: Platform
        AssignedTo: webkit-unassigned@lists.webkit.org
        ReportedBy: shenhan@google.com


GCC 4.7 gives uninitialized value warning (treated as errors) against the following - 

  (a)
  uint32x2_t temporary1 = vset_lane_u32(*source, temporary1, 0);

This need to be fixed. The obvious way to do this is - 

  (b)
  uint32x2_t temporary1 = {0, 0};
  temporary1 = vset_lane_u32(*source, temporary1, 0);

(a) and (b) generates exactly the same asm. 

A patch is attached.

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