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Tim Shen f63f58a28f [compiler-rt] Don't change g_tls_size after initialization. 
Summary:
g_tls_size is not supposed to be changed after initialization. It's not
atomic, not guarded by a lock, nor thread_local. But it's read by
multiple threads.

The reason why it's mutated is mips and powerpc64 specific. We can
implement the same funcitonality without mutating g_tls_size.

I'm not sure how to write a test for this. Please advice. Thanks!

Reviewers: eugenis, kcc

Subscribers: kubamracek, dberris, llvm-commits

Differential Revision: https://reviews.llvm.org/D29236

llvm-svn: 293586
 		2017-01-31 01:53:36 +00:00
..
BlocksRuntime Move tests for BlocksRuntime and builtins to corresponding directories under test/ 2014-02-14 09:47:31 +00:00
asan Recommit: Stop intercepting some malloc-related functions on FreeBSD and 2017-01-30 19:06:13 +00:00
builtins [Bultin][ARM] Make aeabi_uldivmod and aeabi_ldivmod be Thumb1 compatible 2017-01-30 18:48:05 +00:00
cfi Revert "[sancov] moving sancov rt to sancov/ directory" 2017-01-12 01:37:35 +00:00
dfsan Revert "[sancov] moving sancov rt to sancov/ directory" 2017-01-12 01:37:35 +00:00
esan Revert "[sancov] moving sancov rt to sancov/ directory" 2017-01-12 01:37:35 +00:00
interception [interception] Check for export table's size before referring to its elements. 2017-01-30 18:23:37 +00:00
lsan Recommit: Stop intercepting some malloc-related functions on FreeBSD and 2017-01-30 19:06:13 +00:00
msan Revert "[sancov] moving sancov rt to sancov/ directory" 2017-01-12 01:37:35 +00:00
profile [Profile] Fix value profiler eviction bug 2016-11-29 22:00:54 +00:00
safestack [compiler-rt] Do not introduce __sanitizer namespace globally 2016-09-15 21:02:18 +00:00
sanitizer_common [compiler-rt] Don't change g_tls_size after initialization. 2017-01-31 01:53:36 +00:00
scudo [scudo] Replacing std::atomic with Sanitizer's atomics 2017-01-20 18:32:18 +00:00
stats Revert "[sancov] moving sancov rt to sancov/ directory" 2017-01-12 01:37:35 +00:00
tsan [tsan] Fix os_id of main thread 2017-01-26 19:20:30 +00:00
ubsan General definition for weak functions 2017-01-29 05:44:59 +00:00
xray [XRay][ARM32][AArch64] Fix unstable FDR tests on weak-ordering CPUs 2017-01-30 17:10:49 +00:00
CMakeLists.txt Revert "[sancov] moving sancov rt to sancov/ directory" 2017-01-12 01:37:35 +00:00