[Bug c++/89585] GCC 8.3: asm volatile no longer accepted at file scope

[harald at gigawatt dot nl]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=89585

--- Comment #1 from Harald van Dijk <harald at gigawatt dot nl> ---
(Sorry, to be clear, the comment about -Wasm-ignored-qualifier is about a
warning clang emits for this construct, not a GCC warning.)