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Author SHA1 Message Date
Nico Weber 97c675d3d4 Revert "Revert "Temporarily do not drop volatile stores before unreachable"" 
This reverts commit 52aeacfbf5.
There isn't full agreement on a path forward yet, but there is agreement that
this shouldn't land as-is.  See discussion on https://reviews.llvm.org/D105338

Also reverts unreviewed "[clang] Improve `-Wnull-dereference` diag to be more in-line with reality"
This reverts commit f4877c78c0.

And all the related changes to tests:
This reverts commit 9a0152799f.
This reverts commit 3f7c9cc274.
This reverts commit 329f8197ef.
This reverts commit aa9f58cc2c.
This reverts commit 2df37d5ddd.
This reverts commit a72a441812.
 2021-07-09 11:44:34 -04:00
Roman Lebedev 3f7c9cc274
[compiler-rt] Conceal UB in sanitizer_common/TestCases/Linux/signal_line.cpp test 
Store to null is deleted, so the test no longer did what it was expecting to do.
Conceal that by creating null pointer in a more elaborate way,
thus retaining original test coverage.
 2021-07-09 14:39:47 +03:00
Alex Richardson 895878f456 [asan][tsan] Mark tests failing with debug checks as XFAIL 
See https://llvm.org/PR46862. This does not fix the underlying issue but at
least it allows me to run check-all again without having to disable
building compiler-rt.

Reviewed By: #sanitizers, vitalybuka

Differential Revision: https://reviews.llvm.org/D84650
 2020-08-03 10:51:35 +01:00
Vitaly Buka bb91a833c6 [compiler-rt] Remove O1 tests from signal_line.cpp 
It does not work on arm

llvm-svn: 373702
 2019-10-04 07:25:53 +00:00
Vitaly Buka 053391fa86 [compiler-rt] Fix signal_line.cpp test 
r373682 committed wrong experimental version

llvm-svn: 373684
 2019-10-04 00:43:05 +00:00
Vitaly Buka 57b6536ba1 [compiler-rt] Remove O2, O3 from signal_line test for fix android tests 
llvm-svn: 373682
 2019-10-04 00:38:08 +00:00
Vitaly Buka 6fb03a290b [compiler-rt] More optimization levels in signal_line.cpp test 
llvm-svn: 373642
 2019-10-03 18:18:35 +00:00
Vitaly Buka d39e7e2cf1 [compiler-rt] Use GetNextInstructionPc in signal handlers 
Summary:
All other stack trace callers assume that PC contains return address.
HWAsan already use GetNextInstructionPc in similar code.

PR43339

Reviewers: eugenis, kcc, jfb

Subscribers: dexonsmith, dberris, #sanitizers, llvm-commits

Tags: #sanitizers, #llvm

Differential Revision: https://reviews.llvm.org/D68313

llvm-svn: 373529
 2019-10-02 21:20:37 +00:00