[Bug other/83048] wrap multi-statement macros in do {} while (0)

[vries at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=83048

--- Comment #1 from Tom de Vries <vries at gcc dot gnu.org> ---
Already done:

7fbc9a6 [riscv] Wrap ASM_OUTPUT_LABELREF in do {} while (0)
df82c70 [mips] Wrap ASM_OUTPUT_LABELREF in do {} while (0)