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authorRalf Jung <post@ralfj.de>2020-06-08 09:55:22 +0200
committerGitHub <noreply@github.com>2020-06-08 09:55:22 +0200
commite8bb4c70012279392aea54e48adcb91e21681cad (patch)
treef70855d3b6ba05392d167a7651bf36c577176022 /src/test/codegen/src-hash-algorithm
parentb0559bebd800b763700063a6610f6416ea5679c0 (diff)
parent7bf026eed6924f7175e9df8c7c81ac2e2697daef (diff)
downloadrust-e8bb4c70012279392aea54e48adcb91e21681cad.tar.gz
rust-e8bb4c70012279392aea54e48adcb91e21681cad.zip
Rollup merge of #72615 - jschwe:fix-Zprofile-documentation, r=steveklabnik
Fix documentation example for gcov profiling

closes #72546
Improves the documentation for the unstable Rustflag `-Zprofile` by:
- stating that Incremental compilation must be turned off.
- Adding the other `RUSTFLAGS` that should/need to be turned on (taken from [grcov documentation](https://github.com/mozilla/grcov#example-how-to-generate-gcda-files-for-a-rust-project))
- Mentioning `RUSTC_WRAPPER` to prevent everything getting instrumented.

r? @steveklabnik
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