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Diffstat (limited to 'gcc/tree-vrp.c')
| -rw-r--r-- | gcc/tree-vrp.c | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/gcc/tree-vrp.c b/gcc/tree-vrp.c index 41a1beb..13ed4c0 100644 --- a/gcc/tree-vrp.c +++ b/gcc/tree-vrp.c @@ -5679,6 +5679,14 @@ vrp_evaluate_conditional (enum tree_code code, tree op0, tree op1, gimple stmt) tree ret; bool only_ranges; + /* Some passes and foldings leak constants with overflow flag set + into the IL. Avoid doing wrong things with these and bail out. */ + if ((TREE_CODE (op0) == INTEGER_CST + && TREE_OVERFLOW (op0)) + || (TREE_CODE (op1) == INTEGER_CST + && TREE_OVERFLOW (op1))) + return NULL_TREE; + sop = false; ret = vrp_evaluate_conditional_warnv_with_ops (code, op0, op1, true, &sop, &only_ranges); |