https://gcc.gnu.org/bugzilla/show_bug.cgi?id=53050
David Binderman <dcb314 at hotmail dot com> changed: What |Removed |Added ---------------------------------------------------------------------------- Status|RESOLVED |REOPENED Resolution|FIXED |--- --- Comment #8 from David Binderman <dcb314 at hotmail dot com> --- Seems to go wrong with gcc trunk dated 20151111 /home/dcb/rpmbuild/BUILD/OpenCV-2.3.1/modules/imgproc/src/smooth.cpp:112:10: int ernal compiler error: tree check: expected class ‘expression’, have ‘exceptional ’ (ssa_name) in tree_operand_check, at tree.h:3436 0x10114c7 tree_class_check_failed(tree_node const*, tree_code_class, char const* , int, char const*) ../../src/trunk/gcc/tree.c:9638 0xfe85d2 expr_check(tree_node*, char const*, int, char const*) ../../src/trunk/gcc/tree.h:3107 0xfe85d2 tree_operand_check(tree_node*, int, char const*, int, char const*) ../../src/trunk/gcc/tree.h:3436 0xfe85d2 vect_get_constant_vectors ../../src/trunk/gcc/tree-vect-slp.c:2746 It compiled ok a few days ago.