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-rw-r--r--gcc/tree-vect-loop.cc4
1 files changed, 4 insertions, 0 deletions
diff --git a/gcc/tree-vect-loop.cc b/gcc/tree-vect-loop.cc
index dd584ab..6261cd1 100644
--- a/gcc/tree-vect-loop.cc
+++ b/gcc/tree-vect-loop.cc
@@ -3570,6 +3570,10 @@ vect_analyze_loop (class loop *loop, vec_info_shared *shared)
analysis are done under the assumptions. */
loop_constraint_set (loop, LOOP_C_FINITE);
}
+ else
+ /* Clear the existing niter information to make sure the nonwrapping flag
+ will be calculated and set propriately. */
+ free_numbers_of_iterations_estimates (loop);
auto_vector_modes vector_modes;
/* Autodetect first vector size we try. */