[Bug c++/66603] using std::cout causes segfault with unrelated array declaration

[gunney1 at llnl dot gov]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=66603

--- Comment #3 from gunney1 at llnl dot gov ---
Because of the effects of the stream insertion.  But maybe I don't understand
very well their relationship.