[Issue 18794] Compiling with -O causes runtime segfault

|--- |FIXED --- Comment #7 from Dlang Bot --- dlang/dmd pull request #9658 "fix issue 18794 - Compiling with -O causes runtime segfault" was merged into master: - 067645189191f9739e7151f2b02275ab3ea65557 by aG0aep6G: fix issue 18794 - Compiling with -O causes runtime segfault J

[Issue 18794] Compiling with -O causes runtime segfault

--- @aG0aep6G created dlang/dmd pull request #9658 "fix issue 18794 - Compiling with -O causes runtime segfault" fixing this issue: - fix issue 18794 - Compiling with -O causes runtime segfault Just adding a test. The issue has apparently been fixed by d80e14ba6037373f08c6dba274368408932d9e

[Issue 18794] Compiling with -O causes runtime segfault

https://issues.dlang.org/show_bug.cgi?id=18794 --- Comment #5 from ag0aep6g --- (In reply to ag0aep6g from comment #1) > bitIdx is a DWORD at rbp-0x10. But later a QWORD is read from there and used > in the bt instruction. So that reads garbage from the stack. The garbage can

[Issue 18794] Compiling with -O causes runtime segfault

https://issues.dlang.org/show_bug.cgi?id=18794 --- Comment #4 from hst...@quickfur.ath.cx --- Just tested in my environment, -inline does indeed make the problem go away. (Mask it, probably.) However, I can still reproduce the problem with just -O, even though the original problem was discovered

[Issue 18794] Compiling with -O causes runtime segfault

https://issues.dlang.org/show_bug.cgi?id=18794 Jonathan M Davis changed: What|Removed |Added CC|

[Issue 18794] Compiling with -O causes runtime segfault

https://issues.dlang.org/show_bug.cgi?id=18794 --- Comment #2 from hst...@quickfur.ath.cx --- Just a side-note that although in my own environment, the problem can be reproduced with -O alone, apparently in some other environments specifying both -O and -profile is necessary to trigger the bug.

[Issue 18794] Compiling with -O causes runtime segfault

https://issues.dlang.org/show_bug.cgi?id=18794 ag0aep6g changed: What|Removed |Added CC||ag0ae...@gmail.com

[Issue 18794] Compiling with -O causes runtime segfault

https://issues.dlang.org/show_bug.cgi?id=18794 hst...@quickfur.ath.cx changed: What|Removed |Added Keywords||wrong-code --