https://gcc.gnu.org/bugzilla/show_bug.cgi?id=89093
--- Comment #72 from Bernd Edlinger <bernd.edlinger at hotmail dot de> --- I use host Compiler from last week: $ gcc -v Using built-in specs. COLLECT_GCC=gcc COLLECT_LTO_WRAPPER=/home/ed/gnu/arm-linux-gnueabihf/libexec/gcc/armv7l-unknown-linux-gnueabihf/9.0.1/lto-wrapper Target: armv7l-unknown-linux-gnueabihf Configured with: ../gcc-9-20190331/configure --prefix=/home/ed/gnu/arm-linux-gnueabihf --enable-languages=all --with-arch=armv7-a --with-tune=cortex-a9 --with-fpu=vfpv3-d16 --with-float=hard Thread model: posix gcc version 9.0.1 20190331 (experimental) (GCC) and libgnat, is definietly affected since the personality function pushes d8-d9