fix: Work around Clang/LLVM crash

related: llvm/llvm-project#87894

Author: frap129

assets/mozconfig.new

@@ -75,7 +75,8 @@ export CFLAGS="-O3 -ffp-contract=fast -march=x86-64-v3 -pipe \
 -fcf-protection=full \
 -fstack-clash-protection -fstack-protector-strong \
 -fno-delete-null-pointer-checks -fno-strict-overflow \
--fno-strict-aliasing -ftrivial-auto-var-init=zero"
+-fno-strict-aliasing -ftrivial-auto-var-init=zero \
+-fno-tree-vectorize -fno-slp-vectorize"
 export CPPFLAGS="$CFLAGS"
 export CXXFLAGS="$CFLAGS"
 export LDFLAGS="-Wl,-O3 -march=x86-64-v3 -Wl,-z,noexecstack -Wl,-z,relro -Wl,-z,now"