[PATCH] D144981: [Driver] Allow to collect `-save-stats` data to a file specified in the environment variable.

[Volodymyr Sapsai via Phabricator via cfe-commits]

vsapsai updated this revision to Diff 501709.
vsapsai added a comment.

Append to stats file when using `CC_PRINT_INTERNAL_STAT` and for LTO when reusing the same stats file.


Repository:
  rG LLVM Github Monorepo

CHANGES SINCE LAST ACTION
  https://reviews.llvm.org/D144981/new/

https://reviews.llvm.org/D144981

Files:
  clang/docs/CommandGuide/clang.rst
  clang/include/clang/Driver/Driver.h
  clang/include/clang/Driver/Options.td
  clang/include/clang/Frontend/FrontendOptions.h
  clang/lib/Driver/Driver.cpp
  clang/lib/Driver/ToolChains/Clang.cpp
  clang/lib/Driver/ToolChains/CommonArgs.cpp
  clang/lib/Frontend/CompilerInstance.cpp
  clang/test/Driver/save-stats.c
  clang/tools/driver/driver.cpp

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