From: Richard Biener <rguenther@suse.de>
Date: Fri, 19 Nov 2021 07:54:18 +0000 (+0100)
Subject: c++/103326 - fix ICE in tsubst with VECTOR_CST
X-Git-Tag: basepoints/gcc-13~2915
X-Git-Url: http://git.ipfire.org/?a=commitdiff_plain;h=dd85c42c36a5d4e00b41ed40bca98598a2fb57c5;p=thirdparty%2Fgcc.git

c++/103326 - fix ICE in tsubst with VECTOR_CST

This adds missing handling of VECTOR_CST.

2021-11-19  Richard Biener  <rguenther@suse.de>

	PR c++/103326
	* pt.c (tsubst_copy): Handle VECTOR_CST.

	* g++.dg/pr103326.C: New testcase.
---

diff --git a/gcc/cp/pt.c b/gcc/cp/pt.c
index 6a2a93776484..22798b91608e 100644
--- a/gcc/cp/pt.c
+++ b/gcc/cp/pt.c
@@ -17254,6 +17254,7 @@ tsubst_copy (tree t, tree args, tsubst_flags_t complain, tree in_decl)
     case INTEGER_CST:
     case REAL_CST:
     case COMPLEX_CST:
+    case VECTOR_CST:
       {
 	/* Instantiate any typedefs in the type.  */
 	tree type = tsubst (TREE_TYPE (t), args, complain, in_decl);
diff --git a/gcc/testsuite/g++.dg/pr103326.C b/gcc/testsuite/g++.dg/pr103326.C
new file mode 100644
index 000000000000..260e7da86e8b
--- /dev/null
+++ b/gcc/testsuite/g++.dg/pr103326.C
@@ -0,0 +1,15 @@
+// { dg-do compile }
+// { dg-require-effective-target c++11 }
+
+using x86_64_v16qi [[gnu::__vector_size__ (16)]] = char;
+
+template<typename T>
+void foo()
+{
+  constexpr x86_64_v16qi zero{0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0};
+}
+
+void foo2()
+{
+  foo<int>();
+}