re PR c++/71973 (c++ handles built-in functions inconsistently)
gcc: 2016-11-21 Bernd Edlinger <bernd.edlinger@hotmail.de> PR c++/71973 * doc/invoke.texi (-Wno-builtin-declaration-mismatch): Document the new default-enabled warning.. * builtin-types.def (BT_CONST_TM_PTR): New primitive type. (BT_PTR_CONST_STRING): Updated. (BT_FN_SIZE_STRING_SIZE_CONST_STRING_CONST_PTR): Removed. (BT_FN_SIZE_STRING_SIZE_CONST_STRING_CONST_TM_PTR): New function type. * builtins.def (DEF_TM_BUILTIN): Disable BOTH_P for TM builtins. (strftime): Update builtin function. * tree-core.h (TI_CONST_TM_PTR_TYPE): New enum value. * tree.h (const_tm_ptr_type_node): New type node. * tree.c (free_lang_data, build_common_tree_nodes): Initialize const_tm_ptr_type_node. c-family: 2016-11-21 Bernd Edlinger <bernd.edlinger@hotmail.de> PR c++/71973 * c.opt (-Wbuiltin-declaration-mismatch): New warning. * c-common.c (c_common_nodes_and_builtins): Initialize const_tm_ptr_type_node. c: 2016-11-21 Bernd Edlinger <bernd.edlinger@hotmail.de> PR c++/71973 * c-decl.c (diagnose_mismatched_decls): Use OPT_Wbuiltin_declaration_mismatch here too. cp: 2016-11-21 Bernd Edlinger <bernd.edlinger@hotmail.de> PR c++/71973 * decl.c (duplicate_decls): Warn when a built-in function is redefined. Don't overload builtin functions with C++ functions. Handle const_tm_ptr_type_node like file_ptr_node. Copy the TREE_NOTHROW flag unmodified to the old decl. lto: 2016-11-21 Bernd Edlinger <bernd.edlinger@hotmail.de> PR c++/71973 * lto-lang.c (lto_init): Assert const_tm_ptr_type_node is sane. testsuite: 2016-11-21 Bernd Edlinger <bernd.edlinger@hotmail.de> PR c++/71973 * g++.dg/pr71973-1.C: New test. * g++.dg/pr71973-2.C: New test. * g++.dg/pr71973-3.C: New test. * g++.dg/lto/pr68811_0.C: Add -w to first lto-options. * g++.dg/lookup/extern-c-redecl4.C: Adjust test expectations. * g++.old-deja/g++.mike/p700.C: Add -Wno-builtin-declaration-mismatch to dg-options. * g++.old-deja/g++.other/realloc.C: Likewise. * g++.old-deja/g++.other/builtins10.C: Adjust test expectations. From-SVN: r242662
This commit is contained in:
Bernd Edlinger
parent
eeeaf7199a
commit
48330c9355
|
|
@ -1,3 +1,19 @@
|
|||
2016-11-21 Bernd Edlinger <bernd.edlinger@hotmail.de>
|
||||
|
||||
PR c++/71973
|
||||
* doc/invoke.texi (-Wno-builtin-declaration-mismatch): Document the
|
||||
new default-enabled warning..
|
||||
* builtin-types.def (BT_CONST_TM_PTR): New primitive type.
|
||||
(BT_PTR_CONST_STRING): Updated.
|
||||
(BT_FN_SIZE_STRING_SIZE_CONST_STRING_CONST_PTR): Removed.
|
||||
(BT_FN_SIZE_STRING_SIZE_CONST_STRING_CONST_TM_PTR): New function type.
|
||||
* builtins.def (DEF_TM_BUILTIN): Disable BOTH_P for TM builtins.
|
||||
(strftime): Update builtin function.
|
||||
* tree-core.h (TI_CONST_TM_PTR_TYPE): New enum value.
|
||||
* tree.h (const_tm_ptr_type_node): New type node.
|
||||
* tree.c (free_lang_data, build_common_tree_nodes): Initialize
|
||||
const_tm_ptr_type_node.
|
||||
|
||||
2016-11-21 Bill Schmidt <wschmidt@linux.vnet.ibm.com>
|
||||
|
||||
PR tree-optimization/78413
|
||||
|
|
|
|||
|
|
@ -103,6 +103,7 @@ DEF_PRIMITIVE_TYPE (BT_COMPLEX_LONGDOUBLE, complex_long_double_type_node)
|
|||
|
||||
DEF_PRIMITIVE_TYPE (BT_PTR, ptr_type_node)
|
||||
DEF_PRIMITIVE_TYPE (BT_FILEPTR, fileptr_type_node)
|
||||
DEF_PRIMITIVE_TYPE (BT_CONST_TM_PTR, const_tm_ptr_type_node)
|
||||
DEF_PRIMITIVE_TYPE (BT_CONST_PTR, const_ptr_type_node)
|
||||
DEF_PRIMITIVE_TYPE (BT_VOLATILE_PTR,
|
||||
build_pointer_type
|
||||
|
|
@ -146,7 +147,12 @@ DEF_PRIMITIVE_TYPE (BT_I16, builtin_type_for_size (BITS_PER_UNIT*16, 1))
|
|||
|
||||
DEF_PRIMITIVE_TYPE (BT_BND, pointer_bounds_type_node)
|
||||
|
||||
DEF_POINTER_TYPE (BT_PTR_CONST_STRING, BT_CONST_STRING)
|
||||
/* The C type `char * const *'. */
|
||||
DEF_PRIMITIVE_TYPE (BT_PTR_CONST_STRING,
|
||||
build_pointer_type
|
||||
(build_qualified_type (string_type_node,
|
||||
TYPE_QUAL_CONST)))
|
||||
|
||||
DEF_POINTER_TYPE (BT_PTR_UINT, BT_UINT)
|
||||
DEF_POINTER_TYPE (BT_PTR_LONG, BT_LONG)
|
||||
DEF_POINTER_TYPE (BT_PTR_ULONG, BT_ULONG)
|
||||
|
|
@ -511,8 +517,8 @@ DEF_FUNCTION_TYPE_4 (BT_FN_SIZE_CONST_PTR_SIZE_SIZE_FILEPTR,
|
|||
BT_SIZE, BT_CONST_PTR, BT_SIZE, BT_SIZE, BT_FILEPTR)
|
||||
DEF_FUNCTION_TYPE_4 (BT_FN_INT_STRING_SIZE_CONST_STRING_VALIST_ARG,
|
||||
BT_INT, BT_STRING, BT_SIZE, BT_CONST_STRING, BT_VALIST_ARG)
|
||||
DEF_FUNCTION_TYPE_4 (BT_FN_SIZE_STRING_SIZE_CONST_STRING_CONST_PTR,
|
||||
BT_SIZE, BT_STRING, BT_SIZE, BT_CONST_STRING, BT_CONST_PTR)
|
||||
DEF_FUNCTION_TYPE_4 (BT_FN_SIZE_STRING_SIZE_CONST_STRING_CONST_TM_PTR,
|
||||
BT_SIZE, BT_STRING, BT_SIZE, BT_CONST_STRING, BT_CONST_TM_PTR)
|
||||
DEF_FUNCTION_TYPE_4 (BT_FN_PTR_PTR_CONST_PTR_SIZE_SIZE,
|
||||
BT_PTR, BT_PTR, BT_CONST_PTR, BT_SIZE, BT_SIZE)
|
||||
DEF_FUNCTION_TYPE_4 (BT_FN_PTR_PTR_INT_SIZE_SIZE,
|
||||
|
|
|
|||
|
|
@ -212,8 +212,8 @@ along with GCC; see the file COPYING3. If not see
|
|||
functions are mapped to the actual implementation of the STM library. */
|
||||
#undef DEF_TM_BUILTIN
|
||||
#define DEF_TM_BUILTIN(ENUM, NAME, TYPE, ATTRS) \
|
||||
DEF_BUILTIN (ENUM, "__builtin_" NAME, BUILT_IN_NORMAL, TYPE, TYPE, \
|
||||
true, true, true, ATTRS, false, flag_tm)
|
||||
DEF_BUILTIN (ENUM, "__builtin_" NAME, BUILT_IN_NORMAL, TYPE, BT_LAST, \
|
||||
false, true, true, ATTRS, false, flag_tm)
|
||||
|
||||
/* Builtin used by the implementation of libsanitizer. These
|
||||
functions are mapped to the actual implementation of the
|
||||
|
|
@ -866,7 +866,7 @@ DEF_GCC_BUILTIN (BUILT_IN_RETURN_ADDRESS, "return_address", BT_FN_PTR_UIN
|
|||
DEF_GCC_BUILTIN (BUILT_IN_SAVEREGS, "saveregs", BT_FN_PTR_VAR, ATTR_NULL)
|
||||
DEF_GCC_BUILTIN (BUILT_IN_SETJMP, "setjmp", BT_FN_INT_PTR, ATTR_RT_NOTHROW_LEAF_LIST)
|
||||
DEF_EXT_LIB_BUILTIN (BUILT_IN_STRFMON, "strfmon", BT_FN_SSIZE_STRING_SIZE_CONST_STRING_VAR, ATTR_FORMAT_STRFMON_NOTHROW_3_4)
|
||||
DEF_LIB_BUILTIN (BUILT_IN_STRFTIME, "strftime", BT_FN_SIZE_STRING_SIZE_CONST_STRING_CONST_PTR, ATTR_FORMAT_STRFTIME_NOTHROW_3_0)
|
||||
DEF_LIB_BUILTIN (BUILT_IN_STRFTIME, "strftime", BT_FN_SIZE_STRING_SIZE_CONST_STRING_CONST_TM_PTR, ATTR_FORMAT_STRFTIME_NOTHROW_3_0)
|
||||
DEF_GCC_BUILTIN (BUILT_IN_TRAP, "trap", BT_FN_VOID, ATTR_NORETURN_NOTHROW_LEAF_LIST)
|
||||
DEF_GCC_BUILTIN (BUILT_IN_UNREACHABLE, "unreachable", BT_FN_VOID, ATTR_CONST_NORETURN_NOTHROW_LEAF_LIST)
|
||||
DEF_GCC_BUILTIN (BUILT_IN_UNWIND_INIT, "unwind_init", BT_FN_VOID, ATTR_NULL)
|
||||
|
|
|
|||
|
|
@ -1,3 +1,10 @@
|
|||
2016-11-21 Bernd Edlinger <bernd.edlinger@hotmail.de>
|
||||
|
||||
PR c++/71973
|
||||
* c.opt (-Wbuiltin-declaration-mismatch): New warning.
|
||||
* c-common.c (c_common_nodes_and_builtins): Initialize
|
||||
const_tm_ptr_type_node.
|
||||
|
||||
2016-11-16 Marek Polacek <polacek@redhat.com>
|
||||
|
||||
PR c/78285
|
||||
|
|
|
|||
|
|
@ -4293,9 +4293,13 @@ c_common_nodes_and_builtins (void)
|
|||
}
|
||||
|
||||
if (c_dialect_cxx ())
|
||||
/* For C++, make fileptr_type_node a distinct void * type until
|
||||
FILE type is defined. */
|
||||
fileptr_type_node = build_variant_type_copy (ptr_type_node);
|
||||
{
|
||||
/* For C++, make fileptr_type_node a distinct void * type until
|
||||
FILE type is defined. */
|
||||
fileptr_type_node = build_variant_type_copy (ptr_type_node);
|
||||
/* Likewise for const struct tm*. */
|
||||
const_tm_ptr_type_node = build_variant_type_copy (const_ptr_type_node);
|
||||
}
|
||||
|
||||
record_builtin_type (RID_VOID, NULL, void_type_node);
|
||||
|
||||
|
|
|
|||
|
|
@ -337,6 +337,10 @@ Wframe-address
|
|||
C ObjC C++ ObjC++ Var(warn_frame_address) Warning LangEnabledBy(C ObjC C++ ObjC++,Wall)
|
||||
Warn when __builtin_frame_address or __builtin_return_address is used unsafely.
|
||||
|
||||
Wbuiltin-declaration-mismatch
|
||||
C ObjC C++ ObjC++ Var(warn_builtin_declaraion_mismatch) Init(1) Warning
|
||||
Warn when a built-in function is declared with the wrong signature.
|
||||
|
||||
Wbuiltin-macro-redefined
|
||||
C ObjC C++ ObjC++ CPP(warn_builtin_macro_redefined) CppReason(CPP_W_BUILTIN_MACRO_REDEFINED) Var(cpp_warn_builtin_macro_redefined) Init(1) Warning
|
||||
Warn when a built-in preprocessor macro is undefined or redefined.
|
||||
|
|
|
|||
|
|
@ -1,6 +1,12 @@
|
|||
2016-11-21 Bernd Edlinger <bernd.edlinger@hotmail.de>
|
||||
|
||||
PR c++/71973
|
||||
* c-decl.c (diagnose_mismatched_decls): Use
|
||||
OPT_Wbuiltin_declaration_mismatch here too.
|
||||
|
||||
2016-11-18 Richard Sandiford <richard.sandiford@arm.com>
|
||||
Alan Hayward <alan.hayward@arm.com>
|
||||
David Sherwood <david.sherwood@arm.com>
|
||||
Alan Hayward <alan.hayward@arm.com>
|
||||
David Sherwood <david.sherwood@arm.com>
|
||||
|
||||
* c-decl.c (merge_decls): Use SET_DECL_MODE.
|
||||
(make_label, finish_struct): Likewise.
|
||||
|
|
|
|||
|
|
@ -1867,7 +1867,8 @@ diagnose_mismatched_decls (tree newdecl, tree olddecl,
|
|||
/* If types don't match for a built-in, throw away the
|
||||
built-in. No point in calling locate_old_decl here, it
|
||||
won't print anything. */
|
||||
warning (0, "conflicting types for built-in function %q+D",
|
||||
warning (OPT_Wbuiltin_declaration_mismatch,
|
||||
"conflicting types for built-in function %q+D",
|
||||
newdecl);
|
||||
return false;
|
||||
}
|
||||
|
|
|
|||
|
|
@ -1,3 +1,11 @@
|
|||
2016-11-21 Bernd Edlinger <bernd.edlinger@hotmail.de>
|
||||
|
||||
PR c++/71973
|
||||
* decl.c (duplicate_decls): Warn when a built-in function is redefined.
|
||||
Don't overload builtin functions with C++ functions.
|
||||
Handle const_tm_ptr_type_node like file_ptr_node.
|
||||
Copy the TREE_NOTHROW flag unmodified to the old decl.
|
||||
|
||||
2016-11-18 Jason Merrill <jason@redhat.com>
|
||||
|
||||
PR objc++/78418 - ICE in string tests on darwin
|
||||
|
|
|
|||
|
|
@ -1490,16 +1490,23 @@ duplicate_decls (tree newdecl, tree olddecl, bool newdecl_is_friend)
|
|||
explicitly declared. */
|
||||
if (DECL_ANTICIPATED (olddecl))
|
||||
{
|
||||
/* Deal with fileptr_type_node. FILE type is not known
|
||||
at the time we create the builtins. */
|
||||
tree t1, t2;
|
||||
|
||||
/* A new declaration doesn't match a built-in one unless it
|
||||
is also extern "C". */
|
||||
gcc_assert (DECL_IS_BUILTIN (olddecl));
|
||||
gcc_assert (DECL_EXTERN_C_P (olddecl));
|
||||
if (!DECL_EXTERN_C_P (newdecl))
|
||||
return NULL_TREE;
|
||||
|
||||
for (t1 = TYPE_ARG_TYPES (TREE_TYPE (newdecl)),
|
||||
t2 = TYPE_ARG_TYPES (TREE_TYPE (olddecl));
|
||||
t1 || t2;
|
||||
t1 = TREE_CHAIN (t1), t2 = TREE_CHAIN (t2))
|
||||
if (!t1 || !t2)
|
||||
break;
|
||||
/* Deal with fileptr_type_node. FILE type is not known
|
||||
at the time we create the builtins. */
|
||||
else if (TREE_VALUE (t2) == fileptr_type_node)
|
||||
{
|
||||
tree t = TREE_VALUE (t1);
|
||||
|
|
@ -1511,6 +1518,27 @@ duplicate_decls (tree newdecl, tree olddecl, bool newdecl_is_friend)
|
|||
{
|
||||
tree oldargs = TYPE_ARG_TYPES (TREE_TYPE (olddecl));
|
||||
|
||||
TYPE_ARG_TYPES (TREE_TYPE (olddecl))
|
||||
= TYPE_ARG_TYPES (TREE_TYPE (newdecl));
|
||||
types_match = decls_match (newdecl, olddecl);
|
||||
if (types_match)
|
||||
return duplicate_decls (newdecl, olddecl,
|
||||
newdecl_is_friend);
|
||||
TYPE_ARG_TYPES (TREE_TYPE (olddecl)) = oldargs;
|
||||
}
|
||||
}
|
||||
/* Likewise for const struct tm*. */
|
||||
else if (TREE_VALUE (t2) == const_tm_ptr_type_node)
|
||||
{
|
||||
tree t = TREE_VALUE (t1);
|
||||
|
||||
if (TYPE_PTR_P (t)
|
||||
&& TYPE_IDENTIFIER (TREE_TYPE (t))
|
||||
== get_identifier ("tm")
|
||||
&& compparms (TREE_CHAIN (t1), TREE_CHAIN (t2)))
|
||||
{
|
||||
tree oldargs = TYPE_ARG_TYPES (TREE_TYPE (olddecl));
|
||||
|
||||
TYPE_ARG_TYPES (TREE_TYPE (olddecl))
|
||||
= TYPE_ARG_TYPES (TREE_TYPE (newdecl));
|
||||
types_match = decls_match (newdecl, olddecl);
|
||||
|
|
@ -1522,6 +1550,11 @@ duplicate_decls (tree newdecl, tree olddecl, bool newdecl_is_friend)
|
|||
}
|
||||
else if (! same_type_p (TREE_VALUE (t1), TREE_VALUE (t2)))
|
||||
break;
|
||||
|
||||
warning_at (DECL_SOURCE_LOCATION (newdecl),
|
||||
OPT_Wbuiltin_declaration_mismatch,
|
||||
"declaration of %q+#D conflicts with built-in "
|
||||
"declaration %q#D", newdecl, olddecl);
|
||||
}
|
||||
else if ((DECL_EXTERN_C_P (newdecl)
|
||||
&& DECL_EXTERN_C_P (olddecl))
|
||||
|
|
@ -1531,7 +1564,8 @@ duplicate_decls (tree newdecl, tree olddecl, bool newdecl_is_friend)
|
|||
/* A near match; override the builtin. */
|
||||
|
||||
if (TREE_PUBLIC (newdecl))
|
||||
warning_at (DECL_SOURCE_LOCATION (newdecl), 0,
|
||||
warning_at (DECL_SOURCE_LOCATION (newdecl),
|
||||
OPT_Wbuiltin_declaration_mismatch,
|
||||
"new declaration %q#D ambiguates built-in "
|
||||
"declaration %q#D", newdecl, olddecl);
|
||||
else
|
||||
|
|
@ -2243,6 +2277,7 @@ duplicate_decls (tree newdecl, tree olddecl, bool newdecl_is_friend)
|
|||
TREE_TYPE (olddecl) = TREE_TYPE (newdecl);
|
||||
TREE_READONLY (olddecl) = TREE_READONLY (newdecl);
|
||||
TREE_THIS_VOLATILE (olddecl) = TREE_THIS_VOLATILE (newdecl);
|
||||
TREE_NOTHROW (olddecl) = TREE_NOTHROW (newdecl);
|
||||
TREE_SIDE_EFFECTS (olddecl) = TREE_SIDE_EFFECTS (newdecl);
|
||||
}
|
||||
|
||||
|
|
|
|||
|
|
@ -259,6 +259,7 @@ Objective-C and Objective-C++ Dialects}.
|
|||
-Walloca -Walloca-larger-than=@var{n} @gol
|
||||
-Wno-aggressive-loop-optimizations -Warray-bounds -Warray-bounds=@var{n} @gol
|
||||
-Wno-attributes -Wbool-compare -Wbool-operation @gol
|
||||
-Wno-builtin-declaration-mismatch @gol
|
||||
-Wno-builtin-macro-redefined -Wc90-c99-compat -Wc99-c11-compat @gol
|
||||
-Wc++-compat -Wc++11-compat -Wc++14-compat -Wcast-align -Wcast-qual @gol
|
||||
-Wchar-subscripts -Wclobbered -Wcomment -Wconditionally-supported @gol
|
||||
|
|
@ -5925,6 +5926,12 @@ unrecognized attributes, function attributes applied to variables,
|
|||
etc. This does not stop errors for incorrect use of supported
|
||||
attributes.
|
||||
|
||||
@item -Wno-builtin-declaration-mismatch
|
||||
@opindex Wno-builtin-declaration-mismatch
|
||||
@opindex Wbuiltin-declaration-mismatch
|
||||
Warn if a built-in function is declared with the wrong signature.
|
||||
This warning is enabled by default.
|
||||
|
||||
@item -Wno-builtin-macro-redefined
|
||||
@opindex Wno-builtin-macro-redefined
|
||||
@opindex Wbuiltin-macro-redefined
|
||||
|
|
|
|||
|
|
@ -1,6 +1,11 @@
|
|||
2016-11-21 Bernd Edlinger <bernd.edlinger@hotmail.de>
|
||||
|
||||
PR c++/71973
|
||||
* lto-lang.c (lto_init): Assert const_tm_ptr_type_node is sane.
|
||||
|
||||
2016-11-18 Richard Sandiford <richard.sandiford@arm.com>
|
||||
Alan Hayward <alan.hayward@arm.com>
|
||||
David Sherwood <david.sherwood@arm.com>
|
||||
Alan Hayward <alan.hayward@arm.com>
|
||||
David Sherwood <david.sherwood@arm.com>
|
||||
|
||||
* lto.c (offload_handle_link_vars): Use SET_DECL_MODE.
|
||||
|
||||
|
|
|
|||
|
|
@ -1266,6 +1266,10 @@ lto_init (void)
|
|||
always use the C definition here in lto1. */
|
||||
gcc_assert (fileptr_type_node == ptr_type_node);
|
||||
gcc_assert (TYPE_MAIN_VARIANT (fileptr_type_node) == ptr_type_node);
|
||||
/* Likewise for const struct tm*. */
|
||||
gcc_assert (const_tm_ptr_type_node == const_ptr_type_node);
|
||||
gcc_assert (TYPE_MAIN_VARIANT (const_tm_ptr_type_node)
|
||||
== const_ptr_type_node);
|
||||
|
||||
ptrdiff_type_node = integer_type_node;
|
||||
|
||||
|
|
|
|||
|
|
@ -1,3 +1,16 @@
|
|||
2016-11-21 Bernd Edlinger <bernd.edlinger@hotmail.de>
|
||||
|
||||
PR c++/71973
|
||||
* g++.dg/pr71973-1.C: New test.
|
||||
* g++.dg/pr71973-2.C: New test.
|
||||
* g++.dg/pr71973-3.C: New test.
|
||||
* g++.dg/lto/pr68811_0.C: Add -w to first lto-options.
|
||||
* g++.dg/lookup/extern-c-redecl4.C: Adjust test expectations.
|
||||
* g++.old-deja/g++.mike/p700.C: Add -Wno-builtin-declaration-mismatch
|
||||
to dg-options.
|
||||
* g++.old-deja/g++.other/realloc.C: Likewise.
|
||||
* g++.old-deja/g++.other/builtins10.C: Adjust test expectations.
|
||||
|
||||
2016-11-21 Bill Schmidt <wschmidt@linux.vnet.ibm.com>
|
||||
|
||||
PR tree-optimization/78413
|
||||
|
|
|
|||
|
|
@ -3,7 +3,6 @@
|
|||
|
||||
// { dg-options "" }
|
||||
// { dg-do compile }
|
||||
// { dg-final { scan-assembler "call\[\t \]+\[^\$\]*?_Z4forkv" { target i?86-*-* x86_64-*-* } } }
|
||||
|
||||
class frok
|
||||
{
|
||||
|
|
@ -14,5 +13,5 @@ class frok
|
|||
void
|
||||
foo ()
|
||||
{
|
||||
fork ();
|
||||
fork (); // { dg-error "was not declared in this scope" }
|
||||
}
|
||||
|
|
|
|||
|
|
@ -1,5 +1,5 @@
|
|||
// { dg-lto-do link }
|
||||
/* { dg-lto-options "-O2 -w" } */
|
||||
/* { dg-lto-options { { -O2 -w } { -w } } } */
|
||||
// { dg-extra-ld-options "-r -nostdlib" }
|
||||
extern "C" char *strcpy(char *, const char *);
|
||||
char InitXPCOMGlue_lastSlash;
|
||||
|
|
|
|||
|
|
@ -0,0 +1,14 @@
|
|||
// { dg-do compile }
|
||||
// { dg-options "-Wall -fdump-tree-eh" }
|
||||
|
||||
extern "C"
|
||||
void fork () // { dg-warning "conflicts with built-in declaration" }
|
||||
__attribute__ ((__nothrow__));
|
||||
|
||||
void foo () throw ()
|
||||
{
|
||||
fork ();
|
||||
}
|
||||
|
||||
// { dg-final { scan-tree-dump-not "eh_dispatch" "eh" } }
|
||||
// { dg-final { scan-tree-dump-not "resx" "eh" } }
|
||||
|
|
@ -0,0 +1,18 @@
|
|||
// { dg-do compile }
|
||||
// { dg-options "-Wall -fdump-tree-eh" }
|
||||
|
||||
typedef __SIZE_TYPE__ size_t;
|
||||
struct tm;
|
||||
|
||||
extern "C"
|
||||
size_t strftime (char*, size_t, const char*, const struct tm*)
|
||||
__attribute__ ((__nothrow__));
|
||||
|
||||
void foo () throw ()
|
||||
{
|
||||
strftime (0,0,0,0); // { dg-warning "null argument where non-null required" }
|
||||
// { dg-warning "too many arguments for format" "" { target *-*-* } .-1 }
|
||||
}
|
||||
|
||||
// { dg-final { scan-tree-dump-not "eh_dispatch" "eh" } }
|
||||
// { dg-final { scan-tree-dump-not "resx" "eh" } }
|
||||
|
|
@ -0,0 +1,14 @@
|
|||
// { dg-do compile }
|
||||
// { dg-options "-Wall -fdump-tree-eh" }
|
||||
|
||||
extern "C"
|
||||
int execve (const char *__path, char *const __argv[], char *const __envp[])
|
||||
__attribute__ ((__nothrow__));
|
||||
|
||||
void foo () throw ()
|
||||
{
|
||||
execve (0,0,0);
|
||||
}
|
||||
|
||||
// { dg-final { scan-tree-dump-not "eh_dispatch" "eh" } }
|
||||
// { dg-final { scan-tree-dump-not "resx" "eh" } }
|
||||
|
|
@ -1,5 +1,5 @@
|
|||
// { dg-do assemble }
|
||||
// { dg-options "-Wno-deprecated -Wno-register" }
|
||||
// { dg-options "-Wno-deprecated -Wno-register -Wno-builtin-declaration-mismatch" }
|
||||
// { dg-error "limited range of data type" "16-bit target" { target xstormy16-*-* } 0 }
|
||||
// prms-id: 700
|
||||
|
||||
|
|
|
|||
|
|
@ -1,7 +1,8 @@
|
|||
// { dg-do assemble }
|
||||
// Test that built-in functions don't warn when prototyped without arguments.
|
||||
// Test that built-in functions do warn when prototyped without arguments.
|
||||
// Origin: PR c++/9367
|
||||
// Copyright (C) 2003 Free Software Foundation.
|
||||
|
||||
extern "C" int snprintf();
|
||||
extern "C" int snprintf(); // { dg-warning "conflicts with built-in declaration" "" { target c++11 } }
|
||||
extern "C" int printf(); // { dg-warning "conflicts with built-in declaration" }
|
||||
|
||||
|
|
|
|||
|
|
@ -1,4 +1,5 @@
|
|||
// { dg-do assemble }
|
||||
// { dg-options "-Wno-builtin-declaration-mismatch" }
|
||||
|
||||
extern "C" void realloc();
|
||||
|
||||
|
|
|
|||
|
|
@ -618,6 +618,7 @@ enum tree_index {
|
|||
TI_VA_LIST_FPR_COUNTER_FIELD,
|
||||
TI_BOOLEAN_TYPE,
|
||||
TI_FILEPTR_TYPE,
|
||||
TI_CONST_TM_PTR_TYPE,
|
||||
TI_POINTER_SIZED_TYPE,
|
||||
|
||||
TI_POINTER_BOUNDS_TYPE,
|
||||
|
|
|
|||
|
|
@ -6006,6 +6006,7 @@ free_lang_data (void)
|
|||
/* Create gimple variants for common types. */
|
||||
ptrdiff_type_node = integer_type_node;
|
||||
fileptr_type_node = ptr_type_node;
|
||||
const_tm_ptr_type_node = const_ptr_type_node;
|
||||
|
||||
/* Reset some langhooks. Do not reset types_compatible_p, it may
|
||||
still be used indirectly via the get_alias_set langhook. */
|
||||
|
|
@ -10332,6 +10333,7 @@ build_common_tree_nodes (bool signed_char)
|
|||
const_ptr_type_node
|
||||
= build_pointer_type (build_type_variant (void_type_node, 1, 0));
|
||||
fileptr_type_node = ptr_type_node;
|
||||
const_tm_ptr_type_node = const_ptr_type_node;
|
||||
|
||||
pointer_sized_int_node = build_nonstandard_integer_type (POINTER_SIZE, 1);
|
||||
|
||||
|
|
|
|||
|
|
@ -3672,6 +3672,8 @@ tree_operand_check_code (const_tree __t, enum tree_code __code, int __i,
|
|||
#define va_list_fpr_counter_field global_trees[TI_VA_LIST_FPR_COUNTER_FIELD]
|
||||
/* The C type `FILE *'. */
|
||||
#define fileptr_type_node global_trees[TI_FILEPTR_TYPE]
|
||||
/* The C type `const struct tm *'. */
|
||||
#define const_tm_ptr_type_node global_trees[TI_CONST_TM_PTR_TYPE]
|
||||
#define pointer_sized_int_node global_trees[TI_POINTER_SIZED_TYPE]
|
||||
|
||||
#define boolean_type_node global_trees[TI_BOOLEAN_TYPE]
|
||||
|
|
|
|||
Loading…
Reference in New Issue