https://gcc.gnu.org/bugzilla/show_bug.cgi?id=77503
Markus Trippelsdorf <trippels at gcc dot gnu.org> changed:
What |Removed |Added
----------------------------------------------------------------------------
Status|UNCONFIRMED |NEW
Component|middle-end |tree-optimization
Ever confirmed|0 |1
--- Comment #6 from Markus Trippelsdorf <trippels at gcc dot gnu.org> ---
markus@x4 tmp % cat fsmpage.i
extern void d(void);
void a() {
char *b;
char c = 0;
for (; b < (char *)a; b++) {
if (*b)
c = 1;
*b = 0;
}
if (c)
d();
}
markus@x4 tmp % /var/tmp/gcc_build_dir_/gcc/cc1 -fpreprocessed fsmpage.i -quiet
-dumpbase fsmpage.i -O3
fsmpage.i: In function ‘a’:
fsmpage.i:2:6: internal compiler error: in vect_transform_stmt, at
tree-vect-stmts.c:8424
void a() {
^
0xd570c9 vect_transform_stmt(gimple*, gimple_stmt_iterator*, bool*, _slp_tree*,
_slp_instance*)
../../gcc/gcc/tree-vect-stmts.c:8424
0xd5e7c6 vect_transform_loop(_loop_vec_info*)
../../gcc/gcc/tree-vect-loop.c:7045
0xd7c994 vectorize_loops()
../../gcc/gcc/tree-vectorizer.c:585
