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| author | Bernd Edlinger <edlinger@gcc.gnu.org> | 2016-11-21 14:17:05 +0000 |
|---|---|---|
| committer | Bernd Edlinger <edlinger@gcc.gnu.org> | 2016-11-21 14:17:05 +0000 |
| commit | 48330c9355e32a41f18556fc0ebccdfe2cc51044 (patch) | |
| tree | 2aa8fba617d40e3e606b3bdf3e74fb9eda06ff81 /gcc/c | |
| parent | eeeaf7199a10b61c188785e7a86cd3cdecba07c3 (diff) | |
| download | gcc-48330c9355e32a41f18556fc0ebccdfe2cc51044.zip gcc-48330c9355e32a41f18556fc0ebccdfe2cc51044.tar.gz gcc-48330c9355e32a41f18556fc0ebccdfe2cc51044.tar.bz2 | |
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
Diffstat (limited to 'gcc/c')
| -rw-r--r-- | gcc/c/ChangeLog | 10 | ||||
| -rw-r--r-- | gcc/c/c-decl.c | 3 |
2 files changed, 10 insertions, 3 deletions
diff --git a/gcc/c/ChangeLog b/gcc/c/ChangeLog index 98bb938..dec9c9d 100644 --- a/gcc/c/ChangeLog +++ b/gcc/c/ChangeLog @@ -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. diff --git a/gcc/c/c-decl.c b/gcc/c/c-decl.c index 2358144..db293fe 100644 --- a/gcc/c/c-decl.c +++ b/gcc/c/c-decl.c @@ -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; } |