diff options
Diffstat (limited to 'gcc/c-common.c')
| -rw-r--r-- | gcc/c-common.c | 15 |
1 files changed, 9 insertions, 6 deletions
diff --git a/gcc/c-common.c b/gcc/c-common.c index 139a5d2..43b2c13 100644 --- a/gcc/c-common.c +++ b/gcc/c-common.c @@ -442,9 +442,9 @@ tree *ridpointers; tree (*make_fname_decl) (location_t, tree, int); -/* Nonzero means the expression being parsed will never be evaluated. - This is a count, since unevaluated expressions can nest. */ -int skip_evaluation; +/* Nonzero means don't warn about problems that occur when the code is + executed. */ +int c_inhibit_evaluation_warnings; /* Whether lexing has been completed, so subsequent preprocessor errors should use the compiler's input_location. */ @@ -1507,7 +1507,8 @@ constant_expression_error (tree value) void overflow_warning (location_t loc, tree value) { - if (skip_evaluation) return; + if (c_inhibit_evaluation_warnings != 0) + return; switch (TREE_CODE (value)) { @@ -2225,7 +2226,9 @@ convert_and_check (tree type, tree expr) result = convert (type, expr); - if (!skip_evaluation && !TREE_OVERFLOW_P (expr) && result != error_mark_node) + if (c_inhibit_evaluation_warnings == 0 + && !TREE_OVERFLOW_P (expr) + && result != error_mark_node) warnings_for_convert_and_check (type, expr_for_warning, result); return result; @@ -8952,7 +8955,7 @@ warn_for_div_by_zero (location_t loc, tree divisor) about division by zero. Do not issue a warning if DIVISOR has a floating-point type, since we consider 0.0/0.0 a valid way of generating a NaN. */ - if (skip_evaluation == 0 + if (c_inhibit_evaluation_warnings == 0 && (integer_zerop (divisor) || fixed_zerop (divisor))) warning_at (loc, OPT_Wdiv_by_zero, "division by zero"); } |