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| author | Martin Sebor <msebor@redhat.com> | 2021-06-24 15:35:20 -0600 |
|---|---|---|
| committer | Martin Sebor <msebor@redhat.com> | 2021-06-24 19:23:43 -0600 |
| commit | 1ebd2b2c9407796cd526137038b9b885f68ffb4d (patch) | |
| tree | 3cad29c233769e764d045ba8383bcd16df07bb04 /gcc/c/c-fold.c | |
| parent | 7036e9ef462fde8181bece4ac4e03f3aa27204dc (diff) | |
| download | gcc-1ebd2b2c9407796cd526137038b9b885f68ffb4d.zip gcc-1ebd2b2c9407796cd526137038b9b885f68ffb4d.tar.gz gcc-1ebd2b2c9407796cd526137038b9b885f68ffb4d.tar.bz2 | |
c: add support for per-location warning groups.
gcc/ChangeLog:
* tree.h (warning_suppressed_at, copy_warning,
warning_suppressed_p, suppress_warning): New functions.
gcc/c/ChangeLog:
* c-decl.c (pop_scope): Replace direct uses of TREE_NO_WARNING with
warning_suppressed_p, suppress_warning, and copy_no_warning.
(diagnose_mismatched_decls): Same.
(duplicate_decls): Same.
(grokdeclarator): Same.
(finish_function): Same.
(c_write_global_declarations_1): Same.
* c-fold.c (c_fully_fold_internal): Same.
* c-parser.c (c_parser_expr_no_commas): Same.
(c_parser_postfix_expression): Same.
* c-typeck.c (array_to_pointer_conversion): Same.
(function_to_pointer_conversion): Same.
(default_function_array_conversion): Same.
(convert_lvalue_to_rvalue): Same.
(default_conversion): Same.
(build_indirect_ref): Same.
(build_function_call_vec): Same.
(build_atomic_assign): Same.
(build_unary_op): Same.
(c_finish_return): Same.
(emit_side_effect_warnings): Same.
(c_finish_stmt_expr): Same.
(c_omp_clause_copy_ctor): Same.
Diffstat (limited to 'gcc/c/c-fold.c')
| -rw-r--r-- | gcc/c/c-fold.c | 8 |
1 files changed, 4 insertions, 4 deletions
diff --git a/gcc/c/c-fold.c b/gcc/c/c-fold.c index 68c74cc..0ebcb46 100644 --- a/gcc/c/c-fold.c +++ b/gcc/c/c-fold.c @@ -154,7 +154,7 @@ c_fully_fold_internal (tree expr, bool in_init, bool *maybe_const_operands, tree orig_op0, orig_op1, orig_op2; bool op0_const = true, op1_const = true, op2_const = true; bool op0_const_self = true, op1_const_self = true, op2_const_self = true; - bool nowarning = TREE_NO_WARNING (expr); + bool nowarning = warning_suppressed_p (expr, OPT_Woverflow); bool unused_p; bool op0_lval = false; source_range old_range; @@ -670,13 +670,13 @@ c_fully_fold_internal (tree expr, bool in_init, bool *maybe_const_operands, out: /* Some folding may introduce NON_LVALUE_EXPRs; all lvalue checks have been done by this point, so remove them again. */ - nowarning |= TREE_NO_WARNING (ret); + nowarning |= warning_suppressed_p (ret, OPT_Woverflow); STRIP_TYPE_NOPS (ret); - if (nowarning && !TREE_NO_WARNING (ret)) + if (nowarning && !warning_suppressed_p (ret, OPT_Woverflow)) { if (!CAN_HAVE_LOCATION_P (ret)) ret = build1 (NOP_EXPR, TREE_TYPE (ret), ret); - TREE_NO_WARNING (ret) = 1; + suppress_warning (ret, OPT_Woverflow); } if (ret != expr) { |