Rollup of 6 pull requests#61177

Closed

Centril wants to merge 16 commits intorust-lang:masterfrom

Centril:rollup-u85r8qk

Commits on May 23, 2019

Ship profiler with windows-gnu
mati865
committed

Commits on May 24, 2019

Don't arena-allocate static symbols.
nnethercote
committed

Commits on May 25, 2019