diff options
Diffstat (limited to 'gcc/c')
| -rw-r--r-- | gcc/c/ChangeLog | 6 | ||||
| -rw-r--r-- | gcc/c/c-decl.c | 3 |
2 files changed, 9 insertions, 0 deletions
diff --git a/gcc/c/ChangeLog b/gcc/c/ChangeLog index 379b8d7..8925371 100644 --- a/gcc/c/ChangeLog +++ b/gcc/c/ChangeLog @@ -1,3 +1,9 @@ +2014-05-08 Marek Polacek <polacek@redhat.com> + + PR c/61077 + * c-decl.c (start_function): Warn for _Atomic-qualified return type + of main. + 2014-05-06 Kenneth Zadeck <zadeck@naturalbridge.com> Mike Stump <mikestump@comcast.net> Richard Sandiford <rdsandiford@googlemail.com> diff --git a/gcc/c/c-decl.c b/gcc/c/c-decl.c index 3abf6b9..d8631fc 100644 --- a/gcc/c/c-decl.c +++ b/gcc/c/c-decl.c @@ -8045,6 +8045,9 @@ start_function (struct c_declspecs *declspecs, struct c_declarator *declarator, if (TYPE_MAIN_VARIANT (TREE_TYPE (TREE_TYPE (decl1))) != integer_type_node) pedwarn (loc, OPT_Wmain, "return type of %qD is not %<int%>", decl1); + else if (TYPE_ATOMIC (TREE_TYPE (TREE_TYPE (decl1)))) + pedwarn (loc, OPT_Wmain, "%<_Atomic%>-qualified return type of %qD", + decl1); check_main_parameter_types (decl1); |