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| author | 卜部昌平 <shyouhei@ruby-lang.org> | 2020-04-16 17:00:13 +0900 |
|---|---|---|
| committer | 卜部昌平 <shyouhei@ruby-lang.org> | 2020-04-16 17:19:37 +0900 |
| commit | 3eb05a8071815cfbb2500e624ad675f324cc72fa (patch) | |
| tree | c771b99fa064c1e88aff6f4fc6228638b41c43e4 /spec/ruby/core | |
| parent | 4ab14aece4ee96354b3f10da7083caf7a7bf74dd (diff) | |
fix compiler error on gcc 4.x
It seems gcc prior to 5 suffered from preprocessor bug. We have to
provide workarounds.
See https://github.com/ruby/ruby/runs/591138012
----
Here is something interesting. According to C99, strictly speaking,
the gcc behaviour was in fact legal(!) and everything else were
wrong. This was not a bug of gcc, rather a bug of the ISO C Standard.
This defect was reported to the committee as DR#412, and fixed
accordingly. All tested compilers now conform C17's updated
preprocessor description.
See http://www.open-std.org/JTC1/SC22/WG14/www/docs/dr_412.htm
Diffstat (limited to 'spec/ruby/core')
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