[Bug c/69522] [4.9/5/6 Regression] gcc hangs on valid code on x86_64-linux-gnu

[bernds at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=69522

Bernd Schmidt <bernds at gcc dot gnu.org> changed:

           What    |Removed                     |Added
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                 CC|                            |bernds at gcc dot gnu.org

--- Comment #5 from Bernd Schmidt <bernds at gcc dot gnu.org> ---
The hang seems to be due to some sort of corrupted AVL tree in the C frontend
(e->left == e). Marek, do you want it or should I have a look?