Update of sr #111380 (group autoconf):
Priority: 5 - Unprioritized => 7 - Release N (Desirable)
Status: None => Confirmed
Assigned to: None => zackw
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Follow-up Comment #1:
In the 2.70 release runup I found a bunch of bugs where macros would succeed
under AC_LANG(C) but fail _incorrectly_ under AC_LANG(C++), because the test
program didn't stick to the intersection of C and C++. That's why
AT_CHECK_MACRO requires the C and C++ compilers to give the same result.
In this case, it looks like AC_C_FLEXIBLE_ARRAY_MEMBER _should_ give a
different result for AC_LANG(C++) than AC_LANG(C), so it should be added to
the list, in tests/mktests.pl, of macros not to test with AT_CHECK_MACRO, and
we should add a hand-written test of this macro to semantics.at. I'll do that
later today.
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