[Bug c/112550] Difference in output from -O0 to -01 ?

2023-11-15 Thread xry111 at gcc dot gnu.org via Gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=112550 Xi Ruoyao changed: What|Removed |Added Resolution|--- |INVALID Status|UNCONFIRMED

[Bug c/112550] Difference in output from -O0 to -01 ?

2023-11-15 Thread dcb314 at hotmail dot com via Gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=112550 --- Comment #3 from David Binderman --- >From a valgrind run: ==4110530== Use of uninitialised value of size 8 ==4110530==at 0x401145: crc32_byte (csmith.h:73) ==4110530==by 0x401167: crc32_8bytes (csmith.h:99) ==4110530==by

[Bug c/112550] Difference in output from -O0 to -01 ?

2023-11-15 Thread dcb314 at hotmail dot com via Gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=112550 --- Comment #2 from David Binderman --- (In reply to Sam James from comment #1) > Not sure if I'm misunderstanding you, but it's not trivial to go from -O0 > and -O1 and it's "normal" to have a difference in output in either the case > of: a)

[Bug c/112550] Difference in output from -O0 to -01 ?

2023-11-15 Thread sjames at gcc dot gnu.org via Gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=112550 Sam James changed: What|Removed |Added CC||sjames at gcc dot gnu.org --- Comment #1