[Bug libstdc++/101211] New: [12 regression] 17_intro/names.cc fails

[clyon at gcc dot gnu.org via Gcc-bugs]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=101211

            Bug ID: 101211
           Summary: [12 regression] 17_intro/names.cc fails
           Product: gcc
           Version: 9.0
            Status: UNCONFIRMED
          Severity: normal
          Priority: P3
         Component: libstdc++
          Assignee: unassigned at gcc dot gnu.org
          Reporter: clyon at gcc dot gnu.org
  Target Milestone: ---

I've noticed that 17_intro/names.cc fails to compile on arm/aarch64 (and others
according to gcc-testresults):
FAIL: 17_intro/names.cc (test for excess errors)
Excess errors:
/aci-gcc-fsf/builds/gcc-fsf-gccsrc/sysroot-arm-none-linux-gnueabi/usr/include/sys/ucontext.h:89:
error: expected unqualified-id before ':' token
/aci-gcc-fsf/builds/gcc-fsf-gccsrc/sysroot-arm-none-linux-gnueabi/usr/include/sys/ucontext.h:89:
error: expected ')' before ':' token


This appeared between r12-1737 and r12-1744