Control: reassign -1 gcc-7
Control: forwarded -1 https://gcc.gnu.org/bugzilla/show_bug.cgi?id=81876
Control: affects -1 src:xbubble
On Tue, Jan 31, 2017 at 09:36:49AM +0000, Matthias Klose wrote:
>...
> gcc -DHAVE_CONFIG_H -I. -I. -I. -Wdate-time -D_FORTIFY_SOURCE=2 -g
> -DDATADIR=\"/usr/share/xbubble\" -O3 -finline-functions -ffast-math
> -funroll-loops -fno-strict-aliasing -Wall -Wunused -Wmissing-prototypes
> -Wmissing-declarations -Wshadow -Wpointer-arith -Wchar-subscripts -Wcomment
> -Wformat -Wwrite-strings -Wno-unused-variable -Wno-unused-function
> -Wno-unused-label -Werror -g -c cell.c
> cell.c: In function 'cell_array_lower':
> cell.c:138:19: error: assuming signed overflow does not occur when assuming
> that (X - c) <= X is always true [-Werror=strict-overflow]
> ca->cell[i] = EMPTY_CELL;
>...
gcc upstream confirmed that this is a gcc regression.
cu
Adrian
--
"Is there not promise of rain?" Ling Tan asked suddenly out
of the darkness. There had been need of rain for many days.
"Only a promise," Lao Er said.
Pearl S. Buck - Dragon Seed
