DFG AI assumes that ToThis can never return non-object if it is passed an object, and operationToThis will get the wrong value of isStrictMode() if there's inlining
https://bugs.webkit.org/show_bug.cgi?id=121330

Source/JavaScriptCore: 

Reviewed by Mark Hahnenberg and Oliver Hunt.
        
Also print whether a function is strict mode in debug dumps.

* bytecode/CodeBlock.cpp:
(JSC::CodeBlock::dumpAssumingJITType):
* bytecode/CodeOrigin.cpp:
(JSC::InlineCallFrame::dumpInContext):
* dfg/DFGAbstractInterpreterInlines.h:
(JSC::DFG::::executeEffects):
* dfg/DFGOperations.cpp:
* dfg/DFGOperations.h:
* dfg/DFGSpeculativeJIT32_64.cpp:
(JSC::DFG::SpeculativeJIT::compile):
* dfg/DFGSpeculativeJIT64.cpp:
(JSC::DFG::SpeculativeJIT::compile):

Tools: 

Reviewed by Mark Hahnenberg and Oliver Hunt.

We should run tests even if they don't have expected files yet.
        
* Scripts/run-layout-jsc:

LayoutTests: 

Reviewed by Mark Hahnenberg and Oliver Hunt.

* js/dfg-strict-mode-to-this-expected.txt: Added.
* js/dfg-strict-mode-to-this.html: Added.
* js/jsc-test-list:
* js/script-tests/dfg-strict-mode-to-this.js: Added.
(thingy.bar):
(thingy.foo):
(thingy):



git-svn-id: http://svn.webkit.org/repository/webkit/trunk@155730 268f45cc-cd09-0410-ab3c-d52691b4dbfc