https://gcc.gnu.org/bugzilla/show_bug.cgi?id=107711
--- Comment #2 from urs at akk dot org --- On Wed, Nov 16, 2022 at 02:41:40PM +0000, dmalcolm at gcc dot gnu.org wrote: > Unfortunately I can't reproduce the ICE with the attachment. Yes, attachment was created with "-v -save-temps -freport-bug" and with that the crash doesn't show up. Plain source is <https://salsa.debian.org/md/tin/-/blob/master/src/makecfg.c> but it needs a few makros like FreeIfNeeded from <https://salsa.debian.org/md/tin/-/blob/master/include/tin.h> which needs autoconf.h ... and so on > I have a suspicion that this relates to commits r13-4073-gd8aba860b34203 > and/or > r13-4074-g86a90006864840 and that it relates to accessing preprocessor macros > for named constants relating to file descriptors. > > To confirm this hypothesis, does the crash go away if you first use -E to run > the preprocessor on its own, and then use -fanalyzer on the preprocessed > source? (with the same other options as before) gcc-13 -E -I. -I../include -DHAVE_CONFIG_H -DDEBUG -o makecfg.i ./makecfg.c gcc-13 -g -std=c11 -O2 -Wextra -Wpedantic -Wall -Winline -Wshadow -Wstrict-prototypes -Wmissing-prototypes -Wmissing-declarations -Wbad-function-cast -Wnested-externs -Wcast-align -Wpointer-arith -Waggregate-return -Wcast-qual -Wwrite-strings -Wundef -Wpacked -Wfloat-equal -Wunused-macros -Wold-style-definition -Winit-self -Wmissing-include-dirs -Wlogical-op -Wjump-misses-init -Wformat=2 -Wshift-overflow=2 -Wnull-dereference -Wduplicated-cond -Walloc-zero -Walloca -Wstringop-overflow=2 -Wduplicated-branches -Wno-format-nonliteral -Wno-stringop-truncation -Wno-format-truncation -fanalyzer -o makecfg ./makecfg.i works fine (, but then make fails on the next input file, again on the last curly brace in the file): compiling heapsort.o ./heapsort.c:187:1: internal compiler error: Segmentation fault 187 | } | ^ 0x7fd658e6251f ??? ./signal/../sysdeps/unix/sysv/linux/x86_64/libc_sigaction.c:0 0x7fd658e49d8f __libc_start_call_main ../sysdeps/nptl/libc_start_call_main.h:58 0x7fd658e49e3f __libc_start_main_impl ../csu/libc-start.c:392 niko% wc -l makecfg.c heapsort.c 552 makecfg.c 188 heapsort.c HTH, urs
