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re PR c++/40749 (g++ doesnt report missing return if return is of type const <type>)

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gcc/cp/

2009-07-26  Simon Martin  <simartin@users.sourceforge.net>

	PR c++/40749
	* decl.c (grokdeclarator): Do not set TREE_NO_WARNING for functions
	with a qualified return type.

gcc/testsuite/

2007-07-26  Simon Martin  <simartin@users.sourceforge.net>

	PR c++/40749
	* g++.dg/warn/Wreturn-type-6.C: New test.

From-SVN: r150097
This commit is contained in:
Simon Martin 2009-07-26 08:16:41 +00:00 committed by Simon Martin
parent 63827fb8e2
commit c2600c676c
4 changed files with 24 additions and 5 deletions
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6
gcc/cp/ChangeLog
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@ -1,3 +1,9 @@
2009-07-26 Simon Martin <simartin@users.sourceforge.net>
PR c++/40749
* decl.c (grokdeclarator): Do not set TREE_NO_WARNING for functions
with a qualified return type.
2009-07-24 Jason Merrill <jason@redhat.com>
Core issue 901

5
gcc/cp/decl.c
View File

@ -7636,7 +7636,6 @@ grokdeclarator (const cp_declarator *declarator,
bool unsigned_p, signed_p, short_p, long_p, thread_p;
bool type_was_error_mark_node = false;
bool parameter_pack_p = declarator? declarator->parameter_pack_p : false;
bool set_no_warning = false;
bool template_type_arg = false;
const char *errmsg;
@ -8316,7 +8315,6 @@ grokdeclarator (const cp_declarator *declarator,
/* We now know that the TYPE_QUALS don't apply to the
decl, but to its return type. */
type_quals = TYPE_UNQUALIFIED;
set_no_warning = true;
}
errmsg = targetm.invalid_return_type (type);
if (errmsg)
@ -9538,9 +9536,6 @@ grokdeclarator (const cp_declarator *declarator,
if (!processing_template_decl)
cp_apply_type_quals_to_decl (type_quals, decl);
if (set_no_warning)
TREE_NO_WARNING (decl) = 1;
return decl;
}
}

5
gcc/testsuite/ChangeLog
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@ -1,3 +1,8 @@
2007-07-26 Simon Martin <simartin@users.sourceforge.net>
PR c++/40749
* g++.dg/warn/Wreturn-type-6.C: New test.
2009-07-26 Ira Rosen <irar@il.ibm.com>
PR tree-optimization/40801

13
gcc/testsuite/g++.dg/warn/Wreturn-type-6.C Normal file
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@ -0,0 +1,13 @@
/* PR c++/40749 */
/* { dg-do "compile" } */
/* { dg-options "-Wreturn-type" } */
struct A {};
const A a() {} /* { dg-warning "no return statement" } */
const A& b() {} /* { dg-warning "no return statement" } */
const int c() {} /* { dg-warning "no return statement" } */
template<class T>
const int foo(T t) {} /* { dg-warning "no return statement" } */
int d = foo<int>(0), e = foo<int>(1);