[Bug bootstrap/90132] make bootstrap fails with -O3 (gcc9 snapshot 20190414)

2020-04-22 Thread msebor at gcc dot gnu.org
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=90132 Martin Sebor changed: What|Removed |Added Resolution|--- |WONTFIX Status|NEW

[Bug bootstrap/90132] make bootstrap fails with -O3 (gcc9 snapshot 20190414)

2019-04-18 Thread jayrusman at hotmail dot com
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=90132 --- Comment #7 from Jason Mancini --- Okay! The patch in Comment #1 worked for me. Someone else can fix or reject as it's not an important bug then.

[Bug bootstrap/90132] make bootstrap fails with -O3 (gcc9 snapshot 20190414)

2019-04-18 Thread jakub at gcc dot gnu.org
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=90132 --- Comment #6 from Jakub Jelinek --- Even in that case, several times in the past we've just decided to recommend --disable-werror in those cases instead of adding too ugly workarounds for some warnings (while for the default we always add

[Bug bootstrap/90132] make bootstrap fails with -O3 (gcc9 snapshot 20190414)

2019-04-18 Thread jayrusman at hotmail dot com
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=90132 --- Comment #5 from Jason Mancini --- But bootstrap-O3 is a documented target, which is equivalent to BOOT_CFLAGS='-g -O3', per https://gcc.gnu.org/install/build.html

[Bug bootstrap/90132] make bootstrap fails with -O3 (gcc9 snapshot 20190414)

2019-04-18 Thread jakub at gcc dot gnu.org
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=90132 Jakub Jelinek changed: What|Removed |Added CC||jakub at gcc dot gnu.org --- Comment #4

[Bug bootstrap/90132] make bootstrap fails with -O3 (gcc9 snapshot 20190414)

2019-04-18 Thread rguenth at gcc dot gnu.org
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=90132 --- Comment #3 from Richard Biener --- I guess the basic issue again that we warn for unreachable code. Note libdecnumber is barely maintained and quite a big mess...

[Bug bootstrap/90132] make bootstrap fails with -O3 (gcc9 snapshot 20190414)

2019-04-17 Thread msebor at gcc dot gnu.org
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=90132 --- Comment #2 from Martin Sebor --- I think the following test case reproduces what's going on in decNumber.c. Both GCC 8 and 9 issue the warning (IIRC, the warning was added in GCC 7 for writes but enhanced to reads in GCC 8). $ cat a.c &&

[Bug bootstrap/90132] make bootstrap fails with -O3 (gcc9 snapshot 20190414)

2019-04-17 Thread msebor at gcc dot gnu.org
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=90132 Martin Sebor changed: What|Removed |Added Keywords||diagnostic