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re PR c++/37006 (explicitly deleted inline function gives warning "used but never defined") 

PR c++/37006
        * pt.c (tsubst_decl): Leave DECL_INITIAL set on deleted
        instantiations.

From-SVN: r138648
This commit is contained in:
Jason Merrill 2008-08-04 14:39:16 -04:00 committed by Jason Merrill
parent 7eeef08ed8
commit 9b26c96e33
3 changed files with 25 additions and 1 deletions
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6
gcc/cp/ChangeLog
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@ -1,3 +1,9 @@
2008-08-04 Jason Merrill <jason@redhat.com>
PR c++/37006
* pt.c (tsubst_decl): Leave DECL_INITIAL set on deleted
instantiations.
2008-08-04 Simon Baldwin <simonb@google.com>
PR c++/36999

4
gcc/cp/pt.c
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@ -8143,7 +8143,9 @@ tsubst_decl (tree t, tree args, tsubst_flags_t complain)
/* Clear out the mangled name and RTL for the instantiation. */
SET_DECL_ASSEMBLER_NAME (r, NULL_TREE);
SET_DECL_RTL (r, NULL_RTX);
DECL_INITIAL (r) = NULL_TREE;
/* Leave DECL_INITIAL set on deleted instantiations. */
if (!DECL_DELETED_FN (r))
DECL_INITIAL (r) = NULL_TREE;
DECL_CONTEXT (r) = ctx;
if (member && DECL_CONV_FN_P (r))

16
gcc/testsuite/g++.dg/cpp0x/defaulted3.C Normal file
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@ -0,0 +1,16 @@
// PR c++/37006
// { dg-options "-std=c++0x" }
template<class T>
struct A {
template<class U>
bool operator==(const A<U>&) = delete; // { dg-error "deleted function" }
operator bool () { return true; }
};
int main()
{
A<int> a1;
A<void> a2;
if(a1 == a2) {} // { dg-error "used here" }
}