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| author | Jason Merrill <jason@redhat.com> | 2016-07-21 23:45:43 -0400 |
|---|---|---|
| committer | Jason Merrill <jason@gcc.gnu.org> | 2016-07-21 23:45:43 -0400 |
| commit | 44ed47547a1cb981faa264b9c29bd52c2f2891af (patch) | |
| tree | f779b1f3cb43ec94e1d6c785bb2e547a8f9a246c | |
| parent | a93f3513c2c1fef4541306f24597f1fc154548b3 (diff) | |
| download | gcc-44ed47547a1cb981faa264b9c29bd52c2f2891af.zip gcc-44ed47547a1cb981faa264b9c29bd52c2f2891af.tar.gz gcc-44ed47547a1cb981faa264b9c29bd52c2f2891af.tar.bz2 | |
PR c++/71630 - extern variable template
* pt.c (instantiate_decl): Fix pattern_defined for namespace scope
variable templates.
From-SVN: r238622
| -rw-r--r-- | gcc/cp/ChangeLog | 4 | ||||
| -rw-r--r-- | gcc/cp/pt.c | 5 | ||||
| -rw-r--r-- | gcc/testsuite/g++.dg/cpp1y/var-templ53.C | 10 |
3 files changed, 18 insertions, 1 deletions
diff --git a/gcc/cp/ChangeLog b/gcc/cp/ChangeLog index b196d54..8cf538b 100644 --- a/gcc/cp/ChangeLog +++ b/gcc/cp/ChangeLog @@ -1,5 +1,9 @@ 2016-07-21 Jason Merrill <jason@redhat.com> + PR c++/71630 + * pt.c (instantiate_decl): Fix pattern_defined for namespace scope + variable templates. + PR c++/71913 * call.c (unsafe_copy_elision_p): It's OK to elide when initializing an unknown object. diff --git a/gcc/cp/pt.c b/gcc/cp/pt.c index d7f3808..5e29d99 100644 --- a/gcc/cp/pt.c +++ b/gcc/cp/pt.c @@ -21853,7 +21853,10 @@ instantiate_decl (tree d, int defer_ok, else { deleted_p = false; - pattern_defined = ! DECL_IN_AGGR_P (code_pattern); + if (DECL_CLASS_SCOPE_P (code_pattern)) + pattern_defined = ! DECL_IN_AGGR_P (code_pattern); + else + pattern_defined = ! DECL_EXTERNAL (code_pattern); } /* We may be in the middle of deferred access check. Disable it now. */ diff --git a/gcc/testsuite/g++.dg/cpp1y/var-templ53.C b/gcc/testsuite/g++.dg/cpp1y/var-templ53.C new file mode 100644 index 0000000..3e30d67 --- /dev/null +++ b/gcc/testsuite/g++.dg/cpp1y/var-templ53.C @@ -0,0 +1,10 @@ +// PR c++/71630 +// { dg-do compile { target c++14 } } + +template <class T> +extern T pi; + +int main() +{ + return pi<int>; +} |