Bug 39399 - Move responsibility for verifying constructors return objects from the caller to the callee.
        
Reviewed by Geoff Garen.

This is a necessary step to move object creation from caller to callee.

* bytecode/CodeBlock.cpp:
(JSC::CodeBlock::dump):
* bytecode/Opcode.h:
* bytecompiler/BytecodeGenerator.cpp:
(JSC::BytecodeGenerator::BytecodeGenerator):
(JSC::BytecodeGenerator::emitReturn):
(JSC::BytecodeGenerator::emitConstruct):
* bytecompiler/BytecodeGenerator.h:
(JSC::BytecodeGenerator::isConstructor):
* bytecompiler/NodesCodegen.cpp:
(JSC::FunctionBodyNode::emitBytecode):
* interpreter/Interpreter.cpp:
(JSC::Interpreter::privateExecute):
* jit/JIT.cpp:
(JSC::JIT::privateCompileMainPass):
(JSC::JIT::privateCompileSlowCases):
* jit/JIT.h:
* jit/JITCall.cpp:
(JSC::JIT::emit_op_constructor_ret):
* jit/JITOpcodes.cpp:
(JSC::JIT::emit_op_constructor_ret):



git-svn-id: http://svn.webkit.org/repository/webkit/trunk@59817 268f45cc-cd09-0410-ab3c-d52691b4dbfc