diff options
| author | Jason Merrill <jason@redhat.com> | 2018-02-22 17:50:37 -0500 |
|---|---|---|
| committer | Jason Merrill <jason@gcc.gnu.org> | 2018-02-22 17:50:37 -0500 |
| commit | 6f11ddd8b7dc020545d0d0e8ae20d34b83265ff6 (patch) | |
| tree | 77c560e22438f93739f3c458d857d12564ee7776 /gcc/cp/constexpr.c | |
| parent | 8304bcf24a2d301044a881438221841cf09444d7 (diff) | |
| download | gcc-6f11ddd8b7dc020545d0d0e8ae20d34b83265ff6.zip gcc-6f11ddd8b7dc020545d0d0e8ae20d34b83265ff6.tar.gz gcc-6f11ddd8b7dc020545d0d0e8ae20d34b83265ff6.tar.bz2 | |
PR c++/84424 - ICE with constexpr and __builtin_shuffle.
* constexpr.c (reduced_constant_expression_p): Handle CONSTRUCTOR of
VECTOR_TYPE.
From-SVN: r257924
Diffstat (limited to 'gcc/cp/constexpr.c')
| -rw-r--r-- | gcc/cp/constexpr.c | 8 |
1 files changed, 7 insertions, 1 deletions
diff --git a/gcc/cp/constexpr.c b/gcc/cp/constexpr.c index f095b03..47ff90c 100644 --- a/gcc/cp/constexpr.c +++ b/gcc/cp/constexpr.c @@ -1763,7 +1763,13 @@ reduced_constant_expression_p (tree t) /* And we need to handle PTRMEM_CST wrapped in a CONSTRUCTOR. */ tree idx, val, field; unsigned HOST_WIDE_INT i; if (CONSTRUCTOR_NO_IMPLICIT_ZERO (t)) - field = next_initializable_field (TYPE_FIELDS (TREE_TYPE (t))); + { + if (TREE_CODE (TREE_TYPE (t)) == VECTOR_TYPE) + /* An initialized vector would have a VECTOR_CST. */ + return false; + else + field = next_initializable_field (TYPE_FIELDS (TREE_TYPE (t))); + } else field = NULL_TREE; FOR_EACH_CONSTRUCTOR_ELT (CONSTRUCTOR_ELTS (t), i, idx, val) |