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

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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.
This commit is contained in:
Richard Biener 2021-11-19 08:54:18 +01:00
parent a84177aff7
commit dd85c42c36
2 changed files with 16 additions and 0 deletions
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1
gcc/cp/pt.c
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@ -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);

15
gcc/testsuite/g++.dg/pr103326.C Normal file
View file

@ -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>();
}