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| author | Jakub Jelinek <jakub@redhat.com> | 2019-06-25 16:05:13 +0200 |
|---|---|---|
| committer | Jakub Jelinek <jakub@gcc.gnu.org> | 2019-06-25 16:05:13 +0200 |
| commit | bc2687dd948d74b181f71bf4886f4b8719c51f57 (patch) | |
| tree | c8cce4ebcdc9ed939733a58b9aa88601aae719ec | |
| parent | e88d863cbde6ee90709d291670a843346f84d3b6 (diff) | |
| download | gcc-bc2687dd948d74b181f71bf4886f4b8719c51f57.zip gcc-bc2687dd948d74b181f71bf4886f4b8719c51f57.tar.gz gcc-bc2687dd948d74b181f71bf4886f4b8719c51f57.tar.bz2 | |
re PR c++/90969 (ICE: tree check: expected array_type, have vector_type in array_ref_low_bound, at tree.c:13570)
PR c++/90969
* constexpr.c (cxx_eval_array_reference): Don't look through VCE from
vector type if lval.
* g++.dg/ext/vector38.C: New test.
From-SVN: r272654
| -rw-r--r-- | gcc/cp/ChangeLog | 6 | ||||
| -rw-r--r-- | gcc/cp/constexpr.c | 3 | ||||
| -rw-r--r-- | gcc/testsuite/ChangeLog | 5 | ||||
| -rw-r--r-- | gcc/testsuite/g++.dg/ext/vector38.C | 5 |
4 files changed, 18 insertions, 1 deletions
diff --git a/gcc/cp/ChangeLog b/gcc/cp/ChangeLog index 3459ad7..a0f6166 100644 --- a/gcc/cp/ChangeLog +++ b/gcc/cp/ChangeLog @@ -1,3 +1,9 @@ +2019-06-25 Jakub Jelinek <jakub@redhat.com> + + PR c++/90969 + * constexpr.c (cxx_eval_array_reference): Don't look through VCE from + vector type if lval. + 2019-06-24 Jan Hubicka <jh@suse.cz> * lex.c (cxx_make_type): Set TYPE_CXX_ODR_P. diff --git a/gcc/cp/constexpr.c b/gcc/cp/constexpr.c index 22f4fa0..a3a36d0 100644 --- a/gcc/cp/constexpr.c +++ b/gcc/cp/constexpr.c @@ -2616,7 +2616,8 @@ cxx_eval_array_reference (const constexpr_ctx *ctx, tree t, non_constant_p, overflow_p); if (*non_constant_p) return t; - if (TREE_CODE (ary) == VIEW_CONVERT_EXPR + if (!lval + && TREE_CODE (ary) == VIEW_CONVERT_EXPR && VECTOR_TYPE_P (TREE_TYPE (TREE_OPERAND (ary, 0))) && TREE_TYPE (t) == TREE_TYPE (TREE_TYPE (TREE_OPERAND (ary, 0)))) ary = TREE_OPERAND (ary, 0); diff --git a/gcc/testsuite/ChangeLog b/gcc/testsuite/ChangeLog index ca27bc3..1270f44 100644 --- a/gcc/testsuite/ChangeLog +++ b/gcc/testsuite/ChangeLog @@ -1,3 +1,8 @@ +2019-06-25 Jakub Jelinek <jakub@redhat.com> + + PR c++/90969 + * g++.dg/ext/vector38.C: New test. + 2019-06-25 Martin Jambor <mjambor@suse.cz> PR ipa/90939 diff --git a/gcc/testsuite/g++.dg/ext/vector38.C b/gcc/testsuite/g++.dg/ext/vector38.C new file mode 100644 index 0000000..51a0887 --- /dev/null +++ b/gcc/testsuite/g++.dg/ext/vector38.C @@ -0,0 +1,5 @@ +// PR c++/90969 +// { dg-do compile } + +__attribute__ ((__vector_size__ (4))) int v; +int &a = v[0]; |