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| author | Jason Merrill <jason@redhat.com> | 2009-10-23 14:08:10 -0400 |
|---|---|---|
| committer | Jason Merrill <jason@gcc.gnu.org> | 2009-10-23 14:08:10 -0400 |
| commit | 78dd7466f8143975212a874e72a0ffc843c09a94 (patch) | |
| tree | 03b3d3610bf66e9a807a7d17d876efd333e01e42 | |
| parent | fc77a3d812da1434af68b9c3831314170cb9de2e (diff) | |
| download | gcc-78dd7466f8143975212a874e72a0ffc843c09a94.zip gcc-78dd7466f8143975212a874e72a0ffc843c09a94.tar.gz gcc-78dd7466f8143975212a874e72a0ffc843c09a94.tar.bz2 | |
Core issue 899
Core issue 899
* call.c (add_function_candidate): Only permit explicit conversion
ops if copy ctor was called with a single argument.
From-SVN: r153509
| -rw-r--r-- | gcc/cp/ChangeLog | 4 | ||||
| -rw-r--r-- | gcc/cp/call.c | 3 | ||||
| -rw-r--r-- | gcc/testsuite/ChangeLog | 5 | ||||
| -rw-r--r-- | gcc/testsuite/g++.dg/cpp0x/explicit4.C | 17 |
4 files changed, 28 insertions, 1 deletions
diff --git a/gcc/cp/ChangeLog b/gcc/cp/ChangeLog index 5456348..49a5ad2 100644 --- a/gcc/cp/ChangeLog +++ b/gcc/cp/ChangeLog @@ -1,5 +1,9 @@ 2009-10-23 Jason Merrill <jason@redhat.com> + Core issue 899 + * call.c (add_function_candidate): Only permit explicit conversion + ops if copy ctor was called with a single argument. + * call.c (initialize_reference): Tweak error message. 2009-10-21 Jakub Jelinek <jakub@redhat.com> diff --git a/gcc/cp/call.c b/gcc/cp/call.c index fe74d15..4542804 100644 --- a/gcc/cp/call.c +++ b/gcc/cp/call.c @@ -1631,7 +1631,8 @@ add_function_candidate (struct z_candidate **candidates, parmtype = build_pointer_type (parmtype); } - if (ctype && i == 0 && DECL_COPY_CONSTRUCTOR_P (fn)) + if (ctype && i == 0 && DECL_COPY_CONSTRUCTOR_P (fn) + && (len-skip == 1)) { /* Hack: Direct-initialize copy parm (i.e. suppress LOOKUP_ONLYCONVERTING) to make explicit conversion ops diff --git a/gcc/testsuite/ChangeLog b/gcc/testsuite/ChangeLog index 334bbe5..f42dd32 100644 --- a/gcc/testsuite/ChangeLog +++ b/gcc/testsuite/ChangeLog @@ -1,3 +1,8 @@ +2009-10-23 Jason Merrill <jason@redhat.com> + + Core issue 899 + * g++.dg/cpp0x/explicit4.C: New. + 2009-10-23 Joseph Myers <joseph@codesourcery.com> * g++.dg/abi/rtti3.C, g++.dg/abi/thunk4.C: Skip for *-*-mingw* and diff --git a/gcc/testsuite/g++.dg/cpp0x/explicit4.C b/gcc/testsuite/g++.dg/cpp0x/explicit4.C new file mode 100644 index 0000000..74726a9 --- /dev/null +++ b/gcc/testsuite/g++.dg/cpp0x/explicit4.C @@ -0,0 +1,17 @@ +// Negative explicit conv test. +// { dg-options "-std=c++0x" } + +struct A { + A(const A&, int = 0); // { dg-message "candidates" } +}; +struct B +{ + explicit operator A(); +}; + +int main() +{ + B b; + (A(b)); // OK + (A(b,1)); // { dg-error "no match" } +} |