to reproduce:
=============
tiff-4.0.4.tar.gz
CC=afl-gcc-fast CXX=afl-g++-fast ./configure --disable-shared
make

result
======
[+] Instrumented 11 locations in TIFFInitJPEG
during GIMPLE pass: evrp
tif_jpeg.c: In function ‘JPEGFixupTagsSubsamplingSec’:
tif_jpeg.c:2388:1: internal compiler error: Segmentation fault
 }
 ^
0x7ffff758e83f ???
	/build/glibc-vjB4T1/glibc-2.28/signal/../sysdeps/unix/sysv/linux/x86_64/sigaction.c:0
0x7ffff757b09a __libc_start_main
	../csu/libc-start.c:308
Please submit a full bug report,
with preprocessed source if appropriate.
Please include the complete backtrace with any bug report.
See <file:///usr/share/doc/gcc-8/README.Bugs> for instructions.
make[2]: *** [Makefile:696: tif_jpeg.lo] Error 1