When building with --enable-werror-always, build fails for targets alpha-dec-vms and alpha64-dec-vms because of the following warnings: gcc/config/alpha/alpha.c:9668:1: error: 'void vms_asm_out_destructor(rtx, int)' defined but not used [-Werror=unused-function] vms_asm_out_destructor (rtx symbol, int priority ATTRIBUTE_UNUSED) ^ gcc/config/alpha/alpha.c:9660:1: error: 'void vms_asm_out_constructor(rtx, int)' defined but not used [-Werror=unused-function] vms_asm_out_constructor (rtx symbol, int priority ATTRIBUTE_UNUSED) ^
I believe this warning was fixed in revision range (r227480, r227896].