[Bug c++/55446] array new with size zero vanishes from object code

[paolo.carlini at oracle dot com]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=55446



Paolo Carlini <paolo.carlini at oracle dot com> changed:



           What    |Removed                     |Added

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           Keywords|                            |wrong-code



--- Comment #3 from Paolo Carlini <paolo.carlini at oracle dot com> 2012-11-24 
00:30:40 UTC ---

build_new_1, called by build_new, returns error_mark_node.



This happens because something goes very badly wrong in the cp_build_binary_op

call around line 2712: essentially it computes 0 - 1!