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| author | Paolo Carlini <paolo.carlini@oracle.com> | 2017-02-19 17:43:41 +0000 |
|---|---|---|
| committer | Paolo Carlini <paolo@gcc.gnu.org> | 2017-02-19 17:43:41 +0000 |
| commit | f46e2bc9236de506841dca92414b217a1d90bbea (patch) | |
| tree | 58cdbaf6d9157a96f7b918a1f5e5359165442417 | |
| parent | 74705cc6492f04d4d39d972322a57bd2e3a78f33 (diff) | |
| download | gcc-f46e2bc9236de506841dca92414b217a1d90bbea.zip gcc-f46e2bc9236de506841dca92414b217a1d90bbea.tar.gz gcc-f46e2bc9236de506841dca92414b217a1d90bbea.tar.bz2 | |
re PR c++/79380 (ICE on C++11 code with illegal alignas specifier on x86_64-linux-gnu: unexpected expression âfâ of kind overload)
/cp
2017-02-19 Paolo Carlini <paolo.carlini@oracle.com>
PR c++/79380
* typeck.c (cxx_alignas_expr): Reject a non-integral alignas
argument.
/testsuite
2017-02-19 Paolo Carlini <paolo.carlini@oracle.com>
PR c++/79380
* g++.dg/cpp0x/alignas8.C: New.
From-SVN: r245578
| -rw-r--r-- | gcc/cp/ChangeLog | 6 | ||||
| -rw-r--r-- | gcc/cp/typeck.c | 6 | ||||
| -rw-r--r-- | gcc/testsuite/ChangeLog | 5 | ||||
| -rw-r--r-- | gcc/testsuite/g++.dg/cpp0x/alignas8.C | 7 |
4 files changed, 24 insertions, 0 deletions
diff --git a/gcc/cp/ChangeLog b/gcc/cp/ChangeLog index d0803bf..20c7eed 100644 --- a/gcc/cp/ChangeLog +++ b/gcc/cp/ChangeLog @@ -1,3 +1,9 @@ +2017-02-19 Paolo Carlini <paolo.carlini@oracle.com> + + PR c++/79380 + * typeck.c (cxx_alignas_expr): Reject a non-integral alignas + argument. + 2017-02-19 Eric Fiselier <eric@efcs.ca> Jonathan Wakely <jwakely@redhat.com> diff --git a/gcc/cp/typeck.c b/gcc/cp/typeck.c index 87e7cc0..9297a99a 100644 --- a/gcc/cp/typeck.c +++ b/gcc/cp/typeck.c @@ -1795,6 +1795,12 @@ cxx_alignas_expr (tree e) the assignment-expression shall be an integral constant expression. */ + + if (!INTEGRAL_OR_UNSCOPED_ENUMERATION_TYPE_P (TREE_TYPE (e))) + { + error ("%<alignas%> argument has non-integral type %qT", TREE_TYPE (e)); + return error_mark_node; + } return cxx_constant_value (e); } diff --git a/gcc/testsuite/ChangeLog b/gcc/testsuite/ChangeLog index c98d774..097cab4 100644 --- a/gcc/testsuite/ChangeLog +++ b/gcc/testsuite/ChangeLog @@ -1,3 +1,8 @@ +2017-02-19 Paolo Carlini <paolo.carlini@oracle.com> + + PR c++/79380 + * g++.dg/cpp0x/alignas8.C: New. + 2017-02-19 Eric Fiselier <eric@efcs.ca> Jonathan Wakely <jwakely@redhat.com> diff --git a/gcc/testsuite/g++.dg/cpp0x/alignas8.C b/gcc/testsuite/g++.dg/cpp0x/alignas8.C new file mode 100644 index 0000000..bd76233 --- /dev/null +++ b/gcc/testsuite/g++.dg/cpp0x/alignas8.C @@ -0,0 +1,7 @@ +// PR c++/79380 +// { dg-do compile { target c++11 } } + +template < typename > constexpr int f () { return 8; } + +// should have been: struct alignas (f<int>()) S {}; +struct alignas (f) S {}; // { dg-error "17:'alignas' argument has non-integral type" } |