[PATCH] D52050: WIP: [Driver] Fix architecture triplets and search paths for Linux x32

[Harald van Dijk via Phabricator via cfe-commits]

hvdijk updated this revision to Diff 334365.
hvdijk added a comment.

This updates the diff as described, plus includes test suite changes needed to make `check-clang` pass. The changes to `clang/test/Driver/Inputs/basic_cross_linux_tree/usr` are because we now correctly detect that a x86_64 GCC directory that does not include x32 files cannot be used to target x32.


Repository:
  rG LLVM Github Monorepo

CHANGES SINCE LAST ACTION
  https://reviews.llvm.org/D52050/new/

https://reviews.llvm.org/D52050

Files:
  clang/lib/Driver/ToolChains/Gnu.cpp
  clang/test/Driver/Inputs/basic_cross_linux_tree/usr/lib/gcc/x86_64-unknown-linux-gnu/4.6.0/x32/crtbegin.o
  clang/test/Driver/Inputs/basic_cross_linux_tree/usr/lib/gcc/x86_64-unknown-linux-gnu/4.6.0/x32/crtbeginT.o
  clang/test/Driver/Inputs/basic_cross_linux_tree/usr/lib/gcc/x86_64-unknown-linux-gnu/4.6.0/x32/crtfastmath.o
  clang/test/Driver/baremetal.cpp
  clang/test/Driver/cl-options.c
  clang/test/Preprocessor/iwithprefix.c

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