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[Bug c++/58834] [4.9 Regression] ICE on __builtin_shuffle within template function
- From: "glisse at gcc dot gnu.org" <gcc-bugzilla at gcc dot gnu dot org>
- To: gcc-bugs at gcc dot gnu dot org
- Date: Tue, 22 Oct 2013 08:45:09 +0000
- Subject: [Bug c++/58834] [4.9 Regression] ICE on __builtin_shuffle within template function
- Auto-submitted: auto-generated
- References: <bug-58834-4 at http dot gcc dot gnu dot org/bugzilla/>
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=58834
Marc Glisse <glisse at gcc dot gnu.org> changed:
What |Removed |Added
----------------------------------------------------------------------------
CC| |glisse at gcc dot gnu.org
--- Comment #1 from Marc Glisse <glisse at gcc dot gnu.org> ---
Most likely (didn't launch gdb to check what was failing)
--- typeck.c (revision 203915)
+++ typeck.c (working copy)
@@ -4942,7 +4942,7 @@ build_x_vec_perm_expr (location_t loc,
{
if (processing_template_decl
&& (type_dependent_expression_p (arg0)
- || type_dependent_expression_p (arg1)
+ || (arg1 && type_dependent_expression_p (arg1))
|| type_dependent_expression_p (arg2)))
return build_min_nt_loc (loc, VEC_PERM_EXPR, arg0, arg1, arg2);
return c_build_vec_perm_expr (loc, arg0, arg1, arg2, complain & tf_error);
or
--- pt.c (revision 203915)
+++ pt.c (working copy)
@@ -20510,7 +20510,7 @@ type_dependent_expression_p (tree expression)
if (!processing_template_decl)
return false;
- if (expression == error_mark_node)
+ if (!expression || expression == error_mark_node)
return false;
/* An unresolved name is always dependent. */