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| author | Jason Merrill <jason@redhat.com> | 2018-02-26 21:45:56 -0500 |
|---|---|---|
| committer | Jason Merrill <jason@gcc.gnu.org> | 2018-02-26 21:45:56 -0500 |
| commit | ed75f594a9afd438bd652136f7606d32a7f1a515 (patch) | |
| tree | 11cdc74796bb533461df6bb048a36a46159ea60a /gcc | |
| parent | a2444ce97021c7a1e9afe05d014435c4c6933659 (diff) | |
| download | gcc-ed75f594a9afd438bd652136f7606d32a7f1a515.zip gcc-ed75f594a9afd438bd652136f7606d32a7f1a515.tar.gz gcc-ed75f594a9afd438bd652136f7606d32a7f1a515.tar.bz2 | |
PR c++/84560 - ICE capturing multi-dimensional VLA.
* tree.c (array_of_runtime_bound_p): False if the element is
variably-modified.
From-SVN: r258023
Diffstat (limited to 'gcc')
| -rw-r--r-- | gcc/cp/ChangeLog | 4 | ||||
| -rw-r--r-- | gcc/cp/tree.c | 2 | ||||
| -rw-r--r-- | gcc/testsuite/g++.dg/cpp0x/lambda/lambda-vla2.C | 12 |
3 files changed, 18 insertions, 0 deletions
diff --git a/gcc/cp/ChangeLog b/gcc/cp/ChangeLog index e346113..dd35f1b 100644 --- a/gcc/cp/ChangeLog +++ b/gcc/cp/ChangeLog @@ -1,5 +1,9 @@ 2018-02-26 Jason Merrill <jason@redhat.com> + PR c++/84560 - ICE capturing multi-dimensional VLA. + * tree.c (array_of_runtime_bound_p): False if the element is + variably-modified. + PR c++/84441 - ICE with base initialized from ?: * call.c (unsafe_copy_elision_p): Handle COND_EXPR. diff --git a/gcc/cp/tree.c b/gcc/cp/tree.c index 41d9002..9b9e36a 100644 --- a/gcc/cp/tree.c +++ b/gcc/cp/tree.c @@ -1043,6 +1043,8 @@ array_of_runtime_bound_p (tree t) { if (!t || TREE_CODE (t) != ARRAY_TYPE) return false; + if (variably_modified_type_p (TREE_TYPE (t), NULL_TREE)) + return false; tree dom = TYPE_DOMAIN (t); if (!dom) return false; diff --git a/gcc/testsuite/g++.dg/cpp0x/lambda/lambda-vla2.C b/gcc/testsuite/g++.dg/cpp0x/lambda/lambda-vla2.C new file mode 100644 index 0000000..d4de131 --- /dev/null +++ b/gcc/testsuite/g++.dg/cpp0x/lambda/lambda-vla2.C @@ -0,0 +1,12 @@ +// PR c++/84560 +// { dg-do compile { target c++11 } } +// { dg-options "" } + +void f() { + int n = 1; + int m = 1; + int d[n][m]; + [&]() { + return d[1]; // { dg-error "variabl" } + }(); +} |