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10 commits

Author SHA1 Message Date
Dimitry Andric
71fe94fdb1 Merge ^/head r312968 through r313054. 2017-02-01 21:21:01 +00:00
Dimitry Andric
4ee07888b7 Pull in r293536 from upstream compiler-rt trunk: 
Recommit: Stop intercepting some malloc-related functions on FreeBSD
  and macOS

  Summary:
  In https://bugs.freebsd.org/215125 I was notified that some configure
  scripts attempt to test for the Linux-specific `mallinfo` and
  `mallopt` functions by compiling and linking small programs which
  references the functions, and observing whether that results in
  errors.

  FreeBSD and macOS do not have the `mallinfo` and `mallopt` functions,
  so normally these tests would fail, but when sanitizers are enabled,
  they incorrectly succeed, because the sanitizers define interceptors
  for these functions.  This also applies to some other malloc-related
  functions, such as `memalign`, `pvalloc` and `cfree`.

  Fix this by not intercepting `mallinfo`, `mallopt`, `memalign`,
  `pvalloc` and `cfree` for FreeBSD and macOS, in all sanitizers.

  Also delete the non-functional `cfree` wrapper for Windows, to fix the
  test cases on that platform.

  Reviewers: emaste, kcc, rnk

  Subscribers: timurrrr, eugenis, hans, joerg, llvm-commits, kubamracek

  Differential Revision: https://reviews.llvm.org/D27654

This prevents autoconf scripts from incorrectly detecting that functions
like mallinfo, mallopt, memalign, pvalloc and cfree are supported.

PR:		215125, 215455
MFC after:	1 week
 2017-02-01 20:41:09 +00:00
Dimitry Andric
93729b12fb Merge compiler-rt trunk r291476. 2017-01-09 22:49:35 +00:00
Dimitry Andric
f00b4812b9 Merge compiler-rt r291274. 2017-01-08 19:47:17 +00:00
Dimitry Andric
53b715b5ba Update compiler-rt to 3.9.0 release, and update the build glue for 
libcompiler_rt and libclang_rt.
 2016-09-03 21:41:29 +00:00
Dimitry Andric
f8ca070d3a Merge compiler-rt release_38 branch r258968. 
Note that there is still a problem on amd64, causing SIGBUS in the early
startup of Address Sanitizer.  This is being investigated.
 2016-02-06 13:39:20 +00:00
Dimitry Andric
8527908747 Update compiler-rt to 3.7.0 release. This also includes the sanitizer 
and profile libraries.
 2015-09-10 20:35:47 +00:00
Dimitry Andric
abb48e0e14 Update compiler-rt to trunk r230183. This has some of our patches 
imported, so we have just a few small diffs against upstream left.
 2015-02-22 22:53:51 +00:00
Dimitry Andric
7ff616029d Update compiler-rt to trunk r228651. This enables using Address 
Sanitizer and Undefined Behavior Sanitizer with clang 3.6.0.
 2015-02-22 22:31:36 +00:00
Dimitry Andric
f4341a5a66 Update compiler-rt to trunk r224034. This brings a number of new 
builtins, and also the various sanitizers.  Support for these will be
added in a later commit.
 2015-01-08 19:47:10 +00:00