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authorPatrick Palka <ppalka@gcc.gnu.org>2016-08-04 19:14:32 +0000
committerPatrick Palka <ppalka@gcc.gnu.org>2016-08-04 19:14:32 +0000
commit08156df50a56e4a4bd95159ad1bfbc50678f9e8a (patch)
tree29a17573923f7f183be6505b6fb4b9a3c390479d /gcc
parent938da3a58b989f983233eceb8be320ea1b478081 (diff)
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Fix ICE on invalid variable template instantiation (PR c++/72759)
gcc/cp/ChangeLog: PR c++/72759 * pt.c (tsubst_qualified_id): Return error_mark_node if template_args is error_mark_node. gcc/testsuite/ChangeLog: PR c++/72759 * g++.dg/cpp1y/pr72759.C: New test. From-SVN: r239147
Diffstat (limited to 'gcc')
-rw-r--r--gcc/cp/ChangeLog6
-rw-r--r--gcc/cp/pt.c2
-rw-r--r--gcc/testsuite/ChangeLog5
-rw-r--r--gcc/testsuite/g++.dg/cpp1y/pr72759.C18
4 files changed, 31 insertions, 0 deletions
diff --git a/gcc/cp/ChangeLog b/gcc/cp/ChangeLog
index 573ece8..5ec690d 100644
--- a/gcc/cp/ChangeLog
+++ b/gcc/cp/ChangeLog
@@ -1,3 +1,9 @@
+2016-08-04 Patrick Palka <ppalka@gcc.gnu.org>
+
+ PR c++/72759
+ * pt.c (tsubst_qualified_id): Return error_mark_node if
+ template_args is error_mark_node.
+
2016-08-04 Jason Merrill <jason@redhat.com>
PR c++/72415
diff --git a/gcc/cp/pt.c b/gcc/cp/pt.c
index 60c87e0..2f40700 100644
--- a/gcc/cp/pt.c
+++ b/gcc/cp/pt.c
@@ -13832,6 +13832,8 @@ tsubst_qualified_id (tree qualified_id, tree args,
if (template_args)
template_args = tsubst_template_args (template_args, args,
complain, in_decl);
+ if (template_args == error_mark_node)
+ return error_mark_node;
name = TREE_OPERAND (name, 0);
}
else
diff --git a/gcc/testsuite/ChangeLog b/gcc/testsuite/ChangeLog
index 58672ba..c456b18 100644
--- a/gcc/testsuite/ChangeLog
+++ b/gcc/testsuite/ChangeLog
@@ -1,5 +1,10 @@
2016-08-04 Patrick Palka <ppalka@gcc.gnu.org>
+ PR c++/72759
+ * g++.dg/cpp1y/pr72759.C: New test.
+
+2016-08-04 Patrick Palka <ppalka@gcc.gnu.org>
+
* gcc.dg/switch-10.c: New test.
2016-08-04 James Greenhalgh <james.greenhalgh@arm.com>
diff --git a/gcc/testsuite/g++.dg/cpp1y/pr72759.C b/gcc/testsuite/g++.dg/cpp1y/pr72759.C
new file mode 100644
index 0000000..4af6ea4
--- /dev/null
+++ b/gcc/testsuite/g++.dg/cpp1y/pr72759.C
@@ -0,0 +1,18 @@
+// PR c++/72759
+// { dg-do compile { target c++14 } }
+
+template <typename> struct SpecPerType;
+class Specializer {
+ public: template <bool> static void MbrFnTempl();
+ template <unsigned> struct A { static void InnerMemberFn(); };
+ void Trigger() { A<0>::InnerMemberFn; }
+};
+template <> struct SpecPerType<Specializer> {
+ using FnType = void *;
+ template <bool P>
+ static constexpr FnType SpecMbrFnPtr = Specializer::MbrFnTempl<P>;
+};
+template <unsigned X> void Specializer::A<X>::InnerMemberFn() {
+ using Spec = SpecPerType<Specializer>;
+ Spec ErrorSite = Spec::SpecMbrFnPtr<SpecMbrFnPtr>; // { dg-error "not declared" }
+}