Launchpad has imported 2 comments from the remote bug at http://gcc.gnu.org/bugzilla/show_bug.cgi?id=58320.
If you reply to an imported comment from within Launchpad, your comment will be sent to the remote bug automatically. Read more about Launchpad's inter-bugtracker facilities at https://help.launchpad.net/InterBugTracking. ------------------------------------------------------------------------ On 2013-09-05T10:06:26+00:00 Doko-v wrote: seen on arm-linux-gnueabihf, as part of an autoconf test in librep: $ cat stack.c #include <stdlib.h> void inner (char *foo) { char bar; exit (!(foo >= &bar)); } void main () { char foo; inner (&foo); } $ gcc-4.6 -o conftest -O2 stack.c && ./conftest ; echo $? 0 $ gcc-4.7 -o conftest -O2 stack.c && ./conftest ; echo $? 1 $ gcc-4.8 -o conftest -O2 stack.c && ./conftest ; echo $? 1 $ gcc-4.8 -o conftest -O0 stack.c && ./conftest ; echo $? 0 Reply at: https://bugs.launchpad.net/ubuntu/+source/gcc-4.8/+bug/1203496/comments/1 ------------------------------------------------------------------------ On 2013-09-05T10:36:36+00:00 Rguenth wrote: Well, it's clearly a bogus test - you are comparing addresses of two distinct objects which invokes undefined behavior. Reply at: https://bugs.launchpad.net/ubuntu/+source/gcc-4.8/+bug/1203496/comments/2 ** Changed in: gcc Status: Unknown => Invalid ** Changed in: gcc Importance: Unknown => Medium -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1203496 Title: micompilation of autoconf stack growth test at -O > 0 on ARM To manage notifications about this bug go to: https://bugs.launchpad.net/gcc/+bug/1203496/+subscriptions -- ubuntu-bugs mailing list [email protected] https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
