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Diffstat (limited to 'gcc/tree-ssa-loop-niter.c')
| -rw-r--r-- | gcc/tree-ssa-loop-niter.c | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/gcc/tree-ssa-loop-niter.c b/gcc/tree-ssa-loop-niter.c index fc5491b..a8e4737 100644 --- a/gcc/tree-ssa-loop-niter.c +++ b/gcc/tree-ssa-loop-niter.c @@ -1653,6 +1653,10 @@ proved_non_wrapping_p (tree at_stmt, else valid_niter = fold_convert (TREE_TYPE (bound), valid_niter); + /* Give up if BOUND was not folded to an INTEGER_CST, as in PR23434. */ + if (TREE_CODE (bound) != INTEGER_CST) + return false; + /* After the statement niter_bound->at_stmt we know that anything is executed at most BOUND times. */ if (at_stmt && stmt_dominates_stmt_p (niter_bound->at_stmt, at_stmt)) |