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authorMarek Polacek <polacek@redhat.com>2016-12-12 13:57:32 +0000
committerMarek Polacek <mpolacek@gcc.gnu.org>2016-12-12 13:57:32 +0000
commit3071bfa9c33aaad54db7ae1e87f0b5e26f095022 (patch)
tree570d46db7b508e23aa0ad2623da034fa2122e779 /gcc
parent66dbcf2d4d74b29f7188dd682116ace71f2fc977 (diff)
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re PR middle-end/78716 (ICE in gimplify_va_arg_expr, at gimplify.c:12650 (i686-linux-gnu))
PR middle-end/78716 * gimplify.c (gimplify_va_arg_expr): Don't require ADDR_EXPR for Case 1; check POINTER_TYPE_P instead. * g++.dg/other/vararg-5.C: New. From-SVN: r243553
Diffstat (limited to 'gcc')
-rw-r--r--gcc/ChangeLog6
-rw-r--r--gcc/gimplify.c2
-rw-r--r--gcc/testsuite/ChangeLog5
-rw-r--r--gcc/testsuite/g++.dg/other/vararg-5.C24
4 files changed, 36 insertions, 1 deletions
diff --git a/gcc/ChangeLog b/gcc/ChangeLog
index 1dc690f..81b0a3b 100644
--- a/gcc/ChangeLog
+++ b/gcc/ChangeLog
@@ -1,3 +1,9 @@
+2016-12-12 Marek Polacek <polacek@redhat.com>
+
+ PR middle-end/78716
+ * gimplify.c (gimplify_va_arg_expr): Don't require ADDR_EXPR for
+ Case 1; check POINTER_TYPE_P instead.
+
2016-12-12 Bernd Schmidt <bschmidt@redhat.com>
PR rtl-optimization/78669
diff --git a/gcc/gimplify.c b/gcc/gimplify.c
index 8611060..b738855 100644
--- a/gcc/gimplify.c
+++ b/gcc/gimplify.c
@@ -12643,7 +12643,7 @@ gimplify_va_arg_expr (tree *expr_p, gimple_seq *pre_p,
return GS_ERROR;
have_va_type = targetm.canonical_va_list_type (have_va_type);
if (have_va_type == NULL_TREE
- && TREE_CODE (valist) == ADDR_EXPR)
+ && POINTER_TYPE_P (TREE_TYPE (valist)))
/* Handle 'Case 1: Not an array type' from c-common.c/build_va_arg. */
have_va_type
= targetm.canonical_va_list_type (TREE_TYPE (TREE_TYPE (valist)));
diff --git a/gcc/testsuite/ChangeLog b/gcc/testsuite/ChangeLog
index 66407ff..588c51b 100644
--- a/gcc/testsuite/ChangeLog
+++ b/gcc/testsuite/ChangeLog
@@ -1,3 +1,8 @@
+2016-12-12 Marek Polacek <polacek@redhat.com>
+
+ PR middle-end/78716
+ * g++.dg/other/vararg-5.C: New.
+
2016-12-12 Bernd Schmidt <bschmidt@redhat.com>
PR rtl-optimization/78669
diff --git a/gcc/testsuite/g++.dg/other/vararg-5.C b/gcc/testsuite/g++.dg/other/vararg-5.C
new file mode 100644
index 0000000..9327bd6
--- /dev/null
+++ b/gcc/testsuite/g++.dg/other/vararg-5.C
@@ -0,0 +1,24 @@
+// PR middle-end/78716
+// { dg-do compile }
+
+template <typename = int, typename = int, typename = int, typename = int,
+ typename = int>
+ struct a;
+ template <typename> struct b;
+ template <typename = int, typename d = void> class e : b<d>::c {
+ public:
+ typedef e f;
+ typedef typename b<d>::c g;
+ e(__builtin_va_list *s) : g(__builtin_va_arg(*s, int)) {}
+ };
+template <> struct b<void> { typedef e<> c; };
+template <> struct e<> { template <typename h> e(h); };
+template <typename i> class a<i> : public e<i> {};
+template <typename i, typename j, typename k, typename l>
+class a<i, j, k, l> : e<typename a<j>::f> {
+ public:
+ template <typename m, typename n, typename o, typename p>
+ a(a<m, n, o, p>) : a::f(0) {}
+};
+template <typename i, typename j, typename k, typename l> a<> r(i, j, k, l);
+void q() { a<float, float>(r(4, 6, 9, 7)); }