This bug was fixed in the package gcc-6 - 6.4.0-4ubuntu1
---------------
gcc-6 (6.4.0-4ubuntu1) artful; urgency=medium
* Merge with Debian; remaining changes:
- Build from upstream sources.
gcc-6 (6.4.0-4) unstable; urgency=medium
* Update to SVN 20170820 (r251205) from the gcc-6-branch.
- Fix PR target/81894 (x86), PR target/81861 (x86),
PR tree-optimization/81354, PR c++/71570.
* Don't build the gc enabled libobjc for cross compilers. Closes: #872301.
* Fix hangs w/ asan binaries on arm64 (Dann Frazier). LP: #1709727.
-- Matthias Klose <d...@ubuntu.com> Sun, 20 Aug 2017 17:27:57 +0200
** Changed in: gcc-6 (Ubuntu)
Status: Triaged => Fix Released
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https://bugs.launchpad.net/bugs/1709727
Title:
asan causes hangs on arm64
Status in gcc-5 package in Ubuntu:
Triaged
Status in gcc-6 package in Ubuntu:
Fix Released
Status in gcc-5 source package in Xenial:
Triaged
Status in gcc-6 source package in Xenial:
Invalid
Status in gcc-5 source package in Zesty:
Triaged
Status in gcc-6 source package in Zesty:
Triaged
Bug description:
[Impact]
Binaries built w/ asan support hang on arm64. This causes many timeouts
during the test phase of a gcc build, causing builds to need ~24 hours to
complete.
[Test Case]
$ cat test.c
#include <stdio.h>
void main() {
printf("hi.\n");
}
$ gcc test.c -g -fsanitize=address -fno-omit-frame-pointer test.c -o test
$ ./test
==46644==AddressSanitizer CHECK failed:
../../../../src/libsanitizer/sanitizer_common/sanitizer_allocator.h:844
"((res)) < ((kNumPossibleRegions))" (0xffffb4b, 0x8000000)
[... HANG ...]
[Regression Risk]
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