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It is reported that on a system of i386 System V ABI, GCC returns 8 for __alignof__(double). OTOH the ABI defines alignments of double to be 4, and ISO/IEC 9899:2011 reads that _Alignof(double) shall return 4 on such machine. What we want in ruby is 4 instead of 8 there. We cannot use __alignof__. Additionally, both old GCC / old clang return 8 for _Alignof(double) on such platforms. They are their bugs, and already fixed in recent versions. But we have to support older compilers for a while. Shall check sanity of _Alignof. |
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| .. | ||
| arithmetic | ||
| attr | ||
| compiler_is | ||
| core | ||
| has | ||
| intern | ||
| anyargs.h | ||
| arithmetic.h | ||
| assume.h | ||
| cast.h | ||
| compiler_is.h | ||
| compiler_since.h | ||
| config.h | ||
| constant_p.h | ||
| core.h | ||
| ctype.h | ||
| dllexport.h | ||
| dosish.h | ||
| error.h | ||
| eval.h | ||
| event.h | ||
| fl_type.h | ||
| gc.h | ||
| glob.h | ||
| globals.h | ||
| interpreter.h | ||
| iterator.h | ||
| memory.h | ||
| method.h | ||
| module.h | ||
| newobj.h | ||
| rgengc.h | ||
| scan_args.h | ||
| special_consts.h | ||
| static_assert.h | ||
| stdalign.h | ||
| stdbool.h | ||
| symbol.h | ||
| token_paste.h | ||
| value.h | ||
| value_type.h | ||
| variable.h | ||
| warning_push.h | ||
| xmalloc.h | ||