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* [gcc r12-5398] c++/103326 - fix ICE in tsubst with VECTOR_CST
@ 2021-11-19 9:36 Richard Biener
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From: Richard Biener @ 2021-11-19 9:36 UTC (permalink / raw)
To: gcc-cvs
https://gcc.gnu.org/g:dd85c42c36a5d4e00b41ed40bca98598a2fb57c5
commit r12-5398-gdd85c42c36a5d4e00b41ed40bca98598a2fb57c5
Author: Richard Biener <rguenther@suse.de>
Date: Fri Nov 19 08:54:18 2021 +0100
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:
---
gcc/cp/pt.c | 1 +
gcc/testsuite/g++.dg/pr103326.C | 15 +++++++++++++++
2 files changed, 16 insertions(+)
diff --git a/gcc/cp/pt.c b/gcc/cp/pt.c
index 6a2a9377648..22798b91608 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 00000000000..260e7da86e8
--- /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>();
+}
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