[Bug c++/60272] atomic<>::compare_exchange_weak has spurious store and can cause race conditions

2016-06-04 Thread max.wittal at mwittal dot de 
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=60272

--- Comment #10 from Max Wittal  ---
Sorry, I'm pretty sure now that there is some hard to find bug in my code, like
the ABA problem.

Please disregard my comment above.

[Bug c++/60272] atomic<>::compare_exchange_weak has spurious store and can cause race conditions

2016-06-04 Thread max.wittal at mwittal dot de 
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=60272

--- Comment #9 from Max Wittal  ---
I still get this bug in gcc version 5.2.1 20151010 on x86_64-linux-gnu.

Please see attached code.

[Bug c++/60272] atomic<>::compare_exchange_weak has spurious store and can cause race conditions

2016-06-04 Thread max.wittal at mwittal dot de 
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=60272

Max Wittal  changed:

   What|Removed |Added

 CC||max.wittal at mwittal dot de

--- Comment #8 from Max Wittal  ---
Created attachment 38642
  --> https://gcc.gnu.org/bugzilla/attachment.cgi?id=38642=edit
Example code that still triggers this bug.