Rollup of 5 pull requests#32001

Merged

bors merged 12 commits intorust-lang:masterfrom

Manishearth:rollup

Mar 2, 2016

Commits on Feb 26, 2016

Commits on Feb 28, 2016

Add some tests
petrochenkov
committed

Commits on Mar 1, 2016

Commits on Mar 2, 2016

Fix compiling libstd with emscripten target.
ashleysommer
committed
Rollup merge of #31919 - petrochenkov:blockpub, r=nikomatsakis
Manishearth
committed
Rollup merge of #31982 - apasel422:sync, r=alexcrichton
Manishearth
committed
Rollup merge of #31985 - ashleysommer:libbackgrace_emscripten_fix, r=alexcrichton
Manishearth
committed
Rollup merge of #31989 - Kimundi:more_flexible_str_pattern_indirection, r=bluss
Manishearth
committed
Rollup merge of #31999 - bluss:fundamental-raw-ptr, r=eddyb
Manishearth
committed