[Bug c/106843] gcc with -O2 corrupt data on stack

2022-09-05 Thread gcc at linuxmotors dot com via Gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=106843 --- Comment #7 from Dave A --- -fsanitize=address balked on the executable even without the -O2, even though it printed out the correct values. The stack must have been initialzed and the values persisted after the variable went out of scope. I

[Bug c/106843] gcc with -O2 corrupt data on stack

2022-09-05 Thread gcc at linuxmotors dot com via Gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=106843 --- Comment #1 from Dave A --- gcc -dumpmachine x86_64-slackware-linux gcc -v Reading specs from /usr/lib64/gcc/x86_64-slackware-linux/11.2.0/specs COLLECT_GCC=gcc COLLECT_LTO_WRAPPER=/usr/libexec/gcc/x86_64-slackware-linux/11.2.0/lto-wrapper T

[Bug c/106843] New: gcc with -O2 corrupt data on stack

2022-09-05 Thread gcc at linuxmotors dot com via Gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=106843 Bug ID: 106843 Summary: gcc with -O2 corrupt data on stack Product: gcc Version: 11.2.0 Status: UNCONFIRMED Severity: normal Priority: P3 Component: c