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| -rw-r--r-- | gcc/ChangeLog | 2 | ||||
| -rw-r--r-- | gcc/fold-const.c | 1 |
2 files changed, 3 insertions, 0 deletions
diff --git a/gcc/ChangeLog b/gcc/ChangeLog index 2c12a963f0d..eb50265a21d 100644 --- a/gcc/ChangeLog +++ b/gcc/ChangeLog @@ -1,5 +1,7 @@ 2000-11-24 Bernd Schmidt <bernds@redhat.co.uk> + * fold-const.c (fold_range_test): Avoid crash if LHS or RHS is null. + * reload1.c (conflicts_with_override): New function. (emit_input_reload_insns): Use it to tighten test for validity of substituting into output of previous insn. diff --git a/gcc/fold-const.c b/gcc/fold-const.c index 9284a1943a9..aaff05f4d75 100644 --- a/gcc/fold-const.c +++ b/gcc/fold-const.c @@ -3780,6 +3780,7 @@ fold_range_test (exp) short-circuited branch and the underlying object on both sides is the same, make a non-short-circuit operation. */ else if (BRANCH_COST >= 2 + && lhs != 0 && rhs != 0 && (TREE_CODE (exp) == TRUTH_ANDIF_EXPR || TREE_CODE (exp) == TRUTH_ORIF_EXPR) && operand_equal_p (lhs, rhs, 0)) |
