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author | Jason Merrill <jason@redhat.com> | 2014-08-07 15:48:30 -0400 |
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committer | Jason Merrill <jason@gcc.gnu.org> | 2014-08-07 15:48:30 -0400 |
commit | 2e8e74c0ad0110732111082eb48deed18b66221d (patch) | |
tree | f24f43aa8bdf5341497ccecdba62f97d103406fd | |
parent | 34c1359ee150a881d2d3df46687a975aef5538ad (diff) | |
download | gcc-2e8e74c0ad0110732111082eb48deed18b66221d.zip gcc-2e8e74c0ad0110732111082eb48deed18b66221d.tar.gz gcc-2e8e74c0ad0110732111082eb48deed18b66221d.tar.bz2 |
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/ChangeLog | 5 | ||||
-rw-r--r-- | gcc/cp/semantics.c | 4 | ||||
-rw-r--r-- | gcc/testsuite/g++.dg/cpp0x/constexpr-empty7.C | 28 |
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); |