[PATCH] D58675: [clang] Adds `-ftime-trace` option to clang that produces Chrome `chrome://tracing` compatible JSON profiling output dumps

[Anton Afanasyev via Phabricator via llvm-commits]

anton-afanasyev added a comment.

In D58675#1448112 <https://reviews.llvm.org/D58675#1448112>, @rnk wrote:

> lgtm
>
> I think this is ready. We can adjust the overloads after the fact. I'd like to get the feature in so we can make improvements independently.


Ok, so I'm to commit this and fix three points in the next commit(s):

1. Improve hashing (it's easy).
2. Use json utility.
3. Improve function_ref constructor and delete StringRef("...") explicit casting.


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https://reviews.llvm.org/D58675