turn fastcomp on by default, disabling can be done with EMCC_FAST_COMPILER=0 in the env
adjust main test modes for fastcomp: remove asm2x86 except for one test, and add two modes for legacy non-fastcomp -O2 with and without asm
avoid warning about aliasing function pointers in fastcomp, it has good debug info on assertions 1 and especially 2 anyhow
add message pointing people to the fastcomp wiki page that explains how to disable it, when a compiler setting is not fastcomp-compatible
assume fastcomp in fastcomp sanity test
point to wiki page on fastcomp when using fastcomp but backend is not present
fix sanity.test_relooper
bump expected llvm version to 3.3, which is what fastcomp uses
make non-fastcomp tests in other run in non-fastcomp mode
deprecate toy gc impl
make non-fastcomp tests in browser run in non-fastcomp mode
add non-fastcomp other.test_emcc run
reflect that asm is on by default in fastcomp, even in -O0, in the settings
fix llvm nativizer tool for fastcomp
RUNTIME_TYPE_INFO is not supported in fastcomp
fix s_x_x tests
error on CORRUPTION_CHECK in fastcomp
fix test_scriptaclass
do not outline the entire stack prelude, including STACKTOP = ..
make test_outline limits a little more flexible