diff options
Diffstat (limited to 'gcc/tree-inline.c')
| -rw-r--r-- | gcc/tree-inline.c | 16 |
1 files changed, 15 insertions, 1 deletions
diff --git a/gcc/tree-inline.c b/gcc/tree-inline.c index 247c687..b46276a 100644 --- a/gcc/tree-inline.c +++ b/gcc/tree-inline.c @@ -41,6 +41,7 @@ Boston, MA 02111-1307, USA. */ #include "cgraph.h" #include "intl.h" #include "tree-mudflap.h" +#include "tree-flow.h" #include "function.h" #include "diagnostic.h" #include "debug.h" @@ -1607,9 +1608,22 @@ expand_call_inline (tree *tp, int *walk_subtrees, void *data) function itself. */ { struct cgraph_node *old_node = id->current_node; + tree copy; id->current_node = edge->callee; - append_to_statement_list (copy_body (id), &BIND_EXPR_BODY (expr)); + copy = copy_body (id); + + if (warn_return_type + && !TREE_NO_WARNING (fn) + && !VOID_TYPE_P (TREE_TYPE (TREE_TYPE (fn))) + && block_may_fallthru (copy)) + { + warning ("control may reach end of non-void function %qD being inlined", + fn); + TREE_NO_WARNING (fn) = 1; + } + + append_to_statement_list (copy, &BIND_EXPR_BODY (expr)); id->current_node = old_node; } inlined_body = &BIND_EXPR_BODY (expr); |