[Bug target/94743] IRQ handler doesn't save scratch VFP registers

[clyon at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=94743

--- Comment #1 from Christophe Lyon <clyon at gcc dot gnu.org> ---
clang has implemented a warning for this case:
https://reviews.llvm.org/D28820