The following concurrency bugs have been caught by cmmtest.
| GCC Concurrency Bugs (Total 4) | ||||||||
|---|---|---|---|---|---|---|---|---|
| date open | bug_id | bug type | priority | rev reported | platform | component | status | date fixed (by) |
| 12/3/2012 | 52558 | wrong | P3 | 4.7.0 20120215 (experimental) | x86-64 | tree-optimization | RESOLVED FIXED | 14/6/2012 aldyh |
| 1/8/2012 | 54149 | wrong | P3 | 4.8.0 20120627 (experimental) | x86-64 | middle-end | RESOLVED FIXED | 11/9/2012 aldyh |
| 11/10/2012 | 54900 | wrong | P3 | 4.8.0 20121011 (experimental) | x86-64 | rtl-optimization | PART. FIXED/NEW | |
| 12/10/2012 | 54906 | wrong | P3 | 4.8.0 20121011 (experimental) | x86-64 | rtl-optimization | RESOLVED FIXED | 18/10/2012 aldyh |
Although not bugs, the following unexpected behaviours discovered by cpptest attracted the attention of the developers.
| GCC Unexpected Behaviours (Total 4) | |||||||
|---|---|---|---|---|---|---|---|
| date open | code | type | rev reported | platform | component | status | date fixed (by) |
| 24/9/2012 | s1 | idempotent write intro | 4.8.0 20120911 (experimental) | x86-64 | target | DON'T FIX | |
| 2/8/2012 | s2 | reorder with atomic | 4.8.0 20120627 (experimental) | x86-64 | target | RESOLVED FIXED | 4/9/2012 rth |
| 22/10/2012 | s3 | reorder with atomic | 4.8.0 20121018 (experimental) | x86-64 | target | NEW | |
| 24/9/2012 | s4 | idempotent write intro | 4.8.0 20121018 (experimental) | x86-64 | target |
The following are volatile miscompilations, caught by cmmtest.
| GCC Volatile Bugs (Total 2) | ||||||||
|---|---|---|---|---|---|---|---|---|
| date open | bug_id | bug type | priority | rev reported | platform | component | status | date fixed (by) |
| 09/7/2013 | 47409 | elim. volatile read | P3 | 4.9.0 20130625 (experimental) | x86-64 | target | ||
| 13/9/2013 | 58409 | reord. volatile writes | P3 | 4.9.0 20130912 (experimental) | x86-64 | target |
The following are not concurrency bugs; we found and reported them during our testing, but should appear in this list of bugs.
| GCC ICE Bugs (Total 2) | ||||||||
|---|---|---|---|---|---|---|---|---|
| date open | bug_id | bug type | priority | rev reported | platform | component | status | date fixed (by) |
| 2/9/2012 | 54458 | ICE | P3 | 4.8.0 20120627 (experimental) | x86-64 | target | RESOLVED FIXED | 4/9/2012 rguenth |
| 30/1/2013 | 56150 | ICE | P3 | 4.8.0 20130130 (experimental) | x86-64 | target | RESOLVED FIXED | 31/1/2013 biener |