New module 'logbf'.

[gnulib.git] / m4 / stdalign.m4

diff --git a/m4/stdalign.m4 b/m4/stdalign.m4
index fa6d5d5..6659c9c 100644 (file)
--- a/m4/stdalign.m4
+++ b/m4/stdalign.m4
@@ -17,23 +17,24 @@ AC_DEFUN([gl_STDALIGN_H],
             #include <stddef.h>
 
             /* Test that alignof yields a result consistent with offsetof.
-               This catches GCC bug 51316
-               <http://gcc.gnu.org/bugzilla/show_bug.cgi?id=51316>.  */
+               This catches GCC bug 52023
+               <http://gcc.gnu.org/bugzilla/show_bug.cgi?id=52023>.  */
             #ifdef __cplusplus
                template <class t> struct alignof_helper { char a; t b; };
             # define ao(type) offsetof (alignof_helper<type>, b)
             #else
             # define ao(type) offsetof (struct { char a; type b; }, b)
             #endif
-            char test1[_Alignof (double) == ao (double) ? 1 : -1];
-            char test2[alignof (long int) == ao (long int) ? 1 : -1];
+            char test_double[ao (double) % _Alignof (double) == 0 ? 1 : -1];
+            char test_long[ao (long int) % _Alignof (long int) == 0 ? 1 : -1];
+            char test_alignof[alignof (double) == _Alignof (double) ? 1 : -1];
 
             /* Test _Alignas only on platforms where gnulib can help.  */
             #if \
                 (__GNUC__ || __IBMC__ || __IBMCPP__ \
                  || 0x5110 <= __SUNPRO_C || 1300 <= _MSC_VER)
               int alignas (8) alignas_int = 1;
-              char test3[8 <= _Alignof (alignas_int) ? 1 : -1];
+              char test_alignas[_Alignof (alignas_int) == 8 ? 1 : -1];
             #endif
           ]])],
        [gl_cv_header_working_stdalign_h=yes],