[PATCH] D61040: [Fuchsia] Support multilib for -fsanitize=address and -fno-exceptions

[Petr Hosek via Phabricator via cfe-commits]

phosek created this revision.
phosek added reviewers: beanz, jroelofs, mcgrathr.
Herald added subscribers: cfe-commits, javed.absar.
Herald added a project: clang.

This introduces a support for multilibs to Fuchsia driver. Unlike the
existing multilibs that are used primarily for handling different
architecture variants, we use multilibs to handle different variants
of Clang runtime libraries: -fsanitize=address and -fno-exceptions
are the two we support initially. This replaces the existing support
for sanitized runtimes libraries that was only used by Fuchsia driver
and it also refactors some of the logic to allow sharing between GNU
and Fuchsia drivers.


Repository:
  rC Clang

https://reviews.llvm.org/D61040

Files:
  clang/lib/Driver/ToolChains/CommonArgs.cpp
  clang/lib/Driver/ToolChains/CommonArgs.h
  clang/lib/Driver/ToolChains/Fuchsia.cpp
  clang/lib/Driver/ToolChains/Gnu.cpp
  clang/test/Driver/Inputs/resource_dir_with_per_target_subdir/aarch64-fuchsia/lib/noexcept/.keep
  clang/test/Driver/Inputs/resource_dir_with_per_target_subdir/x86_64-fuchsia/lib/noexcept/.keep
  clang/test/Driver/fuchsia.cpp

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