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authorJason Merrill <jason@redhat.com>2014-08-07 15:48:30 -0400
committerJason Merrill <jason@gcc.gnu.org>2014-08-07 15:48:30 -0400
commit2e8e74c0ad0110732111082eb48deed18b66221d (patch)
treef24f43aa8bdf5341497ccecdba62f97d103406fd
parent34c1359ee150a881d2d3df46687a975aef5538ad (diff)
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re PR c++/61959 (ICE: in tree_to_uhwi, at tree.h:3657 when building Mozilla code)
PR c++/61959 * semantics.c (cxx_eval_bare_aggregate): Handle POINTER_PLUS_EXPR. From-SVN: r213731
-rw-r--r--gcc/cp/ChangeLog5
-rw-r--r--gcc/cp/semantics.c4
-rw-r--r--gcc/testsuite/g++.dg/cpp0x/constexpr-empty7.C28
3 files changed, 36 insertions, 1 deletions
diff --git a/gcc/cp/ChangeLog b/gcc/cp/ChangeLog
index d218152..1925891 100644
--- a/gcc/cp/ChangeLog
+++ b/gcc/cp/ChangeLog
@@ -1,3 +1,8 @@
+2014-08-07 Jason Merrill <jason@redhat.com>
+
+ PR c++/61959
+ * semantics.c (cxx_eval_bare_aggregate): Handle POINTER_PLUS_EXPR.
+
2014-08-07 Trevor Saunders <tsaunders@mozilla.com>
* cp-tree.h, pt.c: Use hash_map instead of pointer_map.
diff --git a/gcc/cp/semantics.c b/gcc/cp/semantics.c
index 536ea5c..4cd9bee 100644
--- a/gcc/cp/semantics.c
+++ b/gcc/cp/semantics.c
@@ -8977,7 +8977,9 @@ cxx_eval_bare_aggregate (const constexpr_call *call, tree t,
constructor_elt *inner = base_field_constructor_elt (n, ce->index);
inner->value = elt;
}
- else if (ce->index && TREE_CODE (ce->index) == NOP_EXPR)
+ else if (ce->index
+ && (TREE_CODE (ce->index) == NOP_EXPR
+ || TREE_CODE (ce->index) == POINTER_PLUS_EXPR))
{
/* This is an initializer for an empty base; now that we've
checked that it's constant, we can ignore it. */
diff --git a/gcc/testsuite/g++.dg/cpp0x/constexpr-empty7.C b/gcc/testsuite/g++.dg/cpp0x/constexpr-empty7.C
new file mode 100644
index 0000000..f491994
--- /dev/null
+++ b/gcc/testsuite/g++.dg/cpp0x/constexpr-empty7.C
@@ -0,0 +1,28 @@
+// PR c++/61959
+// { dg-do compile { target c++11 } }
+
+template <class Coord> struct BasePoint
+{
+ Coord x, y;
+ constexpr BasePoint (Coord, Coord) : x (0), y (0) {}
+};
+template <class T> struct BaseCoord
+{
+ int value;
+ constexpr BaseCoord (T) : value (1) {}
+};
+template <class units> struct IntCoordTyped : BaseCoord<int>, units
+{
+ typedef BaseCoord Super;
+ constexpr IntCoordTyped (int) : Super (0) {}
+};
+template <class units>
+struct IntPointTyped : BasePoint<IntCoordTyped<units> >, units
+{
+ typedef BasePoint<IntCoordTyped<units> > Super;
+ constexpr IntPointTyped (int, int) : Super (0, 0) {}
+};
+struct A
+{
+};
+IntPointTyped<A> a (0, 0);