[PATCH] D48155: Teach Clang to emit address-significance tables.

[Peter Collingbourne via Phabricator via cfe-commits]

pcc created this revision.
pcc added reviewers: echristo, Bigcheese, rsmith.

By default, we emit an address-significance table on all ELF
targets when the integrated assembler is enabled. The emission of an
address-significance table can be controlled with the -faddrsig and
-fno-addrsig flags.

Depends on https://reviews.llvm.org/D48143


https://reviews.llvm.org/D48155

Files:
  clang/include/clang/Driver/Options.td
  clang/include/clang/Frontend/CodeGenOptions.def
  clang/lib/CodeGen/BackendUtil.cpp
  clang/lib/Driver/ToolChains/Clang.cpp
  clang/lib/Frontend/CompilerInvocation.cpp
  clang/test/CodeGen/addrsig.c
  clang/test/Driver/addrsig.c

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