Bug 885169 - Spidermonkey: Fix ARM trampoline code to inform its RegisterSet of its use of a context register. r=nbp
Bug 885169 - Spidermonkey: Alleviate register allocation constraints in ICGetElem_Arguments::Compiler::generateStubCode. r=nbp
Bug 885169 - Reverse the default register allocation order so that low registers like eax on x86/x64 are preferred over high registers. r=h4writer