[Bug tree-optimization/68549] [6 Regression] ICE: in verify_loop_structure, at cfgloop.c:1669

[dcb314 at hotmail dot com]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=68549

David Binderman <dcb314 at hotmail dot com> changed:

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--- Comment #5 from David Binderman <dcb314 at hotmail dot com> ---
Created attachment 36843
  --> https://gcc.gnu.org/bugzilla/attachment.cgi?id=36843&action=edit
gzipped C source code

Might be a simpler test case.

Found on gcc trunk dated 20151126. Compiler flag -O3 required.