[Bug c/53037] warn_if_not_aligned(X)

[schwab@linux-m68k.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=53037

--- Comment #35 from Andreas Schwab <schwab@linux-m68k.org> ---
On m68k:

FAIL: gcc.dg/pr53037-1.c  (test for warnings, line 42)
FAIL: gcc.dg/pr53037-1.c  (test for warnings, line 75)
FAIL: gcc.dg/pr53037-1.c (test for excess errors)
Excess errors:
/daten/aranym/gcc/gcc-20170821/gcc/testsuite/gcc.dg/pr53037-1.c:42:1: warning:
alignment 2 of 'struct foo5' is less than 16 [-Wif-not-aligned]
/daten/aranym/gcc/gcc-20170821/gcc/testsuite/gcc.dg/pr53037-1.c:75:1: warning:
alignment 2 of 'union bar3' is less than 16 [-Wif-not-aligned]

FAIL: g++.dg/pr53037-1.C  -std=gnu++98  (test for warnings, line 38)
FAIL: g++.dg/pr53037-1.C  -std=gnu++98  (test for warnings, line 71)
FAIL: g++.dg/pr53037-1.C  -std=gnu++98 (test for excess errors)
Excess errors:
/daten/aranym/gcc/gcc-20170821/gcc/testsuite/g++.dg/pr53037-1.C:38:8: warning:
alignment 2 of 'foo5' is less than 16 [-Wif-not-aligned]
/daten/aranym/gcc/gcc-20170821/gcc/testsuite/g++.dg/pr53037-1.C:71:7: warning:
alignment 2 of 'bar3' is less than 16 [-Wif-not-aligned]