https://gcc.gnu.org/bugzilla/show_bug.cgi?id=113205
Bug ID: 113205 Summary: [14 Regression] internal compiler error: in backward_pass, at tree-vect-slp.cc:5346 Product: gcc Version: 14.0 Status: UNCONFIRMED Severity: normal Priority: P3 Component: middle-end Assignee: unassigned at gcc dot gnu.org Reporter: doko at gcc dot gnu.org Target Milestone: --- seen with trunk 20240101 on x86_64-linux-gnu, building the mlt package. It claims to be not reproducible, but always fails to build. [ 31%] Building C object src/modules/gdk/CMakeFiles/mltgdk.dir/pixops.c.o cd /home/packages/gcc/tmp/mlt-7.22.0/obj-x86_64-linux-gnu/src/modules/gdk && /usr/bin/cc -DARCH_X86_64 -DUSE_EXIF -DUSE_MMX -DUSE_PANGO -DUSE_PIXBUF -Dmltgdk_EXPORTS -I/home/packages/gcc/tmp/mlt-7.22.0/src/framework/.. -isystem /usr/include/gdk-pixbuf-2.0 -isystem /usr/include/glib-2.0 -isystem /usr/lib/x86_64-linux-gnu/glib-2.0/include -isystem /usr/include/libpng16 -isystem /usr/include/webp -isystem /usr/include/libmount -isystem /usr/include/blkid -isystem /usr/include/pango-1.0 -isystem /usr/include/harfbuzz -isystem /usr/include/freetype2 -isystem /usr/include/fribidi -isystem /usr/include/cairo -isystem /usr/include/pixman-1 -g -O2 -fno-omit-frame-pointer -mno-omit-leaf-frame-pointer -ffile-prefix-map=/home/packages/gcc/tmp/mlt-7.22.0=. -flto=auto -ffat-lto-objects -fstack-protector-strong -fstack-clash-protection -Wformat -Werror=format-security -fcf-protection -fdebug-prefix-map=/home/packages/gcc/tmp/mlt-7.22.0=/usr/src/mlt-7.22.0-1 -Wdate-time -D_FORTIFY_SOURCE=3 -std=gnu11 -fPIC -mmmx -msse -msse2 -pthread -MD -MT src/modules/gdk/CMakeFiles/mltgdk.dir/pixops.c.o -MF CMakeFiles/mltgdk.dir/pixops.c.o.d -o CMakeFiles/mltgdk.dir/pixops.c.o -c /home/packages/gcc/tmp/mlt-7.22.0/src/modules/gdk/pixops.c during GIMPLE pass: slp /home/packages/gcc/tmp/mlt-7.22.0/src/modules/gdk/pixops.c: In function 'scale_line_22_yuv': /home/packages/gcc/tmp/mlt-7.22.0/src/modules/gdk/pixops.c:188:1: internal compiler error: in backward_pass, at tree-vect-slp.cc:5346 188 | scale_line_22_yuv ( int *weights, int n_x, int n_y, | ^~~~~~~~~~~~~~~~~ 0xff857e vect_optimize_slp_pass::backward_pass() ../../src/gcc/tree-vect-slp.cc:5346 0x21d18aa vect_optimize_slp_pass::run() ../../src/gcc/tree-vect-slp.cc:5768 0x1fa5f52 vect_optimize_slp(vec_info*) ../../src/gcc/tree-vect-slp.cc:5787 0x1fa5f52 vect_optimize_slp(vec_info*) ../../src/gcc/tree-vect-slp.cc:5783 0x1de839d vect_slp_analyze_bb_1 ../../src/gcc/tree-vect-slp.cc:7579 0x1de839d vect_slp_region ../../src/gcc/tree-vect-slp.cc:7667 0x1de44d9 vect_slp_bbs ../../src/gcc/tree-vect-slp.cc:7878 0x1de1ccd vect_slp_function(function*) ../../src/gcc/tree-vect-slp.cc:8000 0x1de18dc execute ../../src/gcc/tree-vectorizer.cc:1533 Please submit a full bug report, with preprocessed source (by using -freport-bug). Please include the complete backtrace with any bug report. See <file:///usr/share/doc/gcc-14/README.Bugs> for instructions. The bug is not reproducible, so it is likely a hardware or OS problem. make[3]: *** [src/modules/gdk/CMakeFiles/mltgdk.dir/build.make:107: src/modules/gdk/CMakeFiles/mltgdk.dir/pixops.c.o] Error 1