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-rw-r--r--gcc/c/c-decl.cc24
1 files changed, 14 insertions, 10 deletions
diff --git a/gcc/c/c-decl.cc b/gcc/c/c-decl.cc
index ad66d7d..33d0ec1 100644
--- a/gcc/c/c-decl.cc
+++ b/gcc/c/c-decl.cc
@@ -8943,12 +8943,14 @@ start_struct (location_t loc, enum tree_code code, tree name,
within a statement expr used within sizeof, et. al. This is not
terribly serious as C++ doesn't permit statement exprs within
sizeof anyhow. */
- if (warn_cxx_compat && (in_sizeof || in_typeof || in_alignof))
+ if (warn_cxx_compat
+ && (in_sizeof || in_typeof || in_alignof || in_countof))
warning_at (loc, OPT_Wc___compat,
"defining type in %qs expression is invalid in C++",
- (in_sizeof
- ? "sizeof"
- : (in_typeof ? "typeof" : "alignof")));
+ (in_sizeof ? "sizeof"
+ : in_typeof ? "typeof"
+ : in_alignof ? "alignof"
+ : "_Countof"));
if (in_underspecified_init)
error_at (loc, "%qT defined in underspecified object initializer", ref);
@@ -9923,7 +9925,7 @@ finish_struct (location_t loc, tree t, tree fieldlist, tree attributes,
struct_types. */
if (warn_cxx_compat
&& struct_parse_info != NULL
- && !in_sizeof && !in_typeof && !in_alignof)
+ && !in_sizeof && !in_typeof && !in_alignof && !in_countof)
struct_parse_info->struct_types.safe_push (t);
}
@@ -10097,12 +10099,14 @@ start_enum (location_t loc, struct c_enum_contents *the_enum, tree name,
/* FIXME: This will issue a warning for a use of a type defined
within sizeof in a statement expr. This is not terribly serious
as C++ doesn't permit statement exprs within sizeof anyhow. */
- if (warn_cxx_compat && (in_sizeof || in_typeof || in_alignof))
+ if (warn_cxx_compat
+ && (in_sizeof || in_typeof || in_alignof || in_countof))
warning_at (loc, OPT_Wc___compat,
"defining type in %qs expression is invalid in C++",
- (in_sizeof
- ? "sizeof"
- : (in_typeof ? "typeof" : "alignof")));
+ (in_sizeof ? "sizeof"
+ : in_typeof ? "typeof"
+ : in_alignof ? "alignof"
+ : "_Countof"));
if (in_underspecified_init)
error_at (loc, "%qT defined in underspecified object initializer",
@@ -10296,7 +10300,7 @@ finish_enum (tree enumtype, tree values, tree attributes)
struct_types. */
if (warn_cxx_compat
&& struct_parse_info != NULL
- && !in_sizeof && !in_typeof && !in_alignof)
+ && !in_sizeof && !in_typeof && !in_alignof && !in_countof)
struct_parse_info->struct_types.safe_push (enumtype);
/* Check for consistency with previous definition */