JIT and DFG should NaN-check loads from Float32 arrays
https://bugs.webkit.org/show_bug.cgi?id=113462
<rdar://problem/13490804>

Reviewed by Mark Hahnenberg.

Source/JavaScriptCore: 

* dfg/DFGSpeculativeJIT.cpp:
(JSC::DFG::SpeculativeJIT::compileGetByValOnFloatTypedArray):
* jit/JITPropertyAccess.cpp:
(JSC::JIT::emitFloatTypedArrayGetByVal):

LayoutTests: 

* fast/js/dfg-float32-array-nan-expected.txt: Added.
* fast/js/dfg-float32-array-nan.html: Added.
* fast/js/jit-float32-array-nan-expected.txt: Added.
* fast/js/jit-float32-array-nan.html: Added.
* fast/js/jsc-test-list:
* fast/js/script-tests/dfg-float32-array-nan.js: Added.
(foo):
* fast/js/script-tests/jit-float32-array-nan.js: Added.



git-svn-id: http://svn.webkit.org/repository/webkit/trunk@147047 268f45cc-cd09-0410-ab3c-d52691b4dbfc