[Webkit-unassigned] [Bug 105087] New: Some Math.pow test262 tests fail with MinGW-w64

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=105087

           Summary: Some Math.pow test262 tests fail with MinGW-w64
           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: net147 at gmail.com


The following test262 tests fail with the latest MinGW-w64 runtime:
-S15.8.2.13_A14 Checking if Math.pow(x,y) equals to +Infinity, where x is -Infinity and y>0
-S15.8.2.13_A16 Checking if Math.pow(x,y) equals to +0, where x is -Infinity and y<0
-S15.8.2.13_A20 Checking if Math.pow(x,y) equals to +0, where x is -0 and y>0 and y is NOT an odd integer
-S15.8.2.13_A22 Checking if Math.pow(x,y) equals to +Infinity, where x is -0 and y<0 and y is NOT an odd integer

This is due to different behavior of pow() with the MinGW-w64 runtime compared with other C runtimes. I have already fixed this issue in Google V8 (http://code.google.com/p/v8/source/browse/trunk/src/assembler.cc?spec=svn13185&r=13185#1397).

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