mold segfaults on aarch64 with -noinhibit-exec

[sicherha]

When building mold 1.1.1 for Fedora on aarch64, the noinhibit-exec test case fails because mold itself crashes with a segmentation fault.

Output of the instrumented test case (the last few lines are the relevant ones):

+ CC=gcc
+ CXX=g++
++ basename ./elf/noinhibit-exec.sh .sh
+ testname=noinhibit-exec
Testing noinhibit-exec ... + echo -n 'Testing noinhibit-exec ... '
++ dirname ./elf/noinhibit-exec.sh
+ cd ./elf/../..
++ pwd
+ mold=/builddir/build/BUILD/mold-1.1.1/mold
+ t=out/test/elf/noinhibit-exec
+ mkdir -p out/test/elf/noinhibit-exec
+ cat
+ gcc -o out/test/elf/noinhibit-exec/a.o -c -xc -
+ gcc -B. -o out/test/elf/noinhibit-exec/exe out/test/elf/noinhibit-exec/a.o
+ grep -q 'error: undefined symbol' out/test/elf/noinhibit-exec/log1
+ gcc -B. -o out/test/elf/noinhibit-exec/exe out/test/elf/noinhibit-exec/a.o -Wl,-noinhibit-exec
+ :
+ cat out/test/elf/noinhibit-exec/log1
mold: error: undefined symbol: out/test/elf/noinhibit-exec/a.o: foo
collect2: error: ld returned 1 exit status
+ cat out/test/elf/noinhibit-exec/log2
mold: warning: undefined symbol: out/test/elf/noinhibit-exec/a.o: foo
collect2: fatal error: ld terminated with signal 11 [Segmentation fault], core dumped
compilation terminated.