re PR c++/89709 (ICE with constexpr and "-O")

	PR c++/89709
	* tree.c (inchash::add_expr): Strip any location wrappers.
	* fold-const.c (operand_equal_p): Move stripping of location wrapper
	after hash verification.

	* g++.dg/cpp0x/constexpr-89709.C: New test.

From-SVN: r269702

1 files changed, 2 insertions, 0 deletions

diff --git a/gcc/tree.c b/gcc/tree.c
index 02721cf..d061a04 100644
--- a/gcc/tree.c
+++ b/gcc/tree.c
@@ -7743,6 +7743,8 @@ add_expr (const_tree t, inchash::hash &hstate, unsigned int flags)
       return;
     }
 
+  STRIP_ANY_LOCATION_WRAPPER (t);
+
   if (!(flags & OEP_ADDRESS_OF))
     STRIP_NOPS (t);