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| author | Jason Merrill <jason@redhat.com> | 2018-03-26 12:30:41 -0400 |
|---|---|---|
| committer | Jason Merrill <jason@gcc.gnu.org> | 2018-03-26 12:30:41 -0400 |
| commit | 125c297c69ffe620caa66a9aed3db6287b8f5b33 (patch) | |
| tree | f2b65bc603ccf55e1ab67954e6ff588c9355b0d6 /gcc | |
| parent | ddd5c5b7c66a934bb54e4acdddad08a4191d6043 (diff) | |
| download | gcc-125c297c69ffe620caa66a9aed3db6287b8f5b33.zip gcc-125c297c69ffe620caa66a9aed3db6287b8f5b33.tar.gz gcc-125c297c69ffe620caa66a9aed3db6287b8f5b33.tar.bz2 | |
PR c++/85062 - ICE with alignas in wrong place.
* decl.c (grokdeclarator): Ignore attributes on type-specifiers
here.
From-SVN: r258859
Diffstat (limited to 'gcc')
| -rw-r--r-- | gcc/cp/ChangeLog | 4 | ||||
| -rw-r--r-- | gcc/cp/decl.c | 8 | ||||
| -rw-r--r-- | gcc/testsuite/g++.dg/cpp0x/alignas16.C | 9 |
3 files changed, 17 insertions, 4 deletions
diff --git a/gcc/cp/ChangeLog b/gcc/cp/ChangeLog index 011b24e..34d5101 100644 --- a/gcc/cp/ChangeLog +++ b/gcc/cp/ChangeLog @@ -1,5 +1,9 @@ 2018-03-26 Jason Merrill <jason@redhat.com> + PR c++/85062 - ICE with alignas in wrong place. + * decl.c (grokdeclarator): Ignore attributes on type-specifiers + here. + PR c++/85049 - ICE with __integer_pack. * pt.c (unify_pack_expansion): Don't try to deduce generated packs. * cp-tree.h (TEMPLATE_PARM_P): New. diff --git a/gcc/cp/decl.c b/gcc/cp/decl.c index 96d4b72..ba45673 100644 --- a/gcc/cp/decl.c +++ b/gcc/cp/decl.c @@ -10946,10 +10946,10 @@ grokdeclarator (const cp_declarator *declarator, if (declspecs->std_attributes) { - /* Apply the c++11 attributes to the type preceding them. */ - input_location = declspecs->locations[ds_std_attribute]; - decl_attributes (&type, declspecs->std_attributes, 0); - input_location = saved_loc; + location_t attr_loc = declspecs->locations[ds_std_attribute]; + if (warning_at (attr_loc, OPT_Wattributes, "attribute ignored")) + inform (attr_loc, "an attribute that appertains to a type-specifier " + "is ignored"); } /* Determine the type of the entity declared by recurring on the diff --git a/gcc/testsuite/g++.dg/cpp0x/alignas16.C b/gcc/testsuite/g++.dg/cpp0x/alignas16.C new file mode 100644 index 0000000..7c34992 --- /dev/null +++ b/gcc/testsuite/g++.dg/cpp0x/alignas16.C @@ -0,0 +1,9 @@ +// PR c++/85062 +// { dg-do compile { target c++11 } } + +template<typename... T> struct A +{ + int alignas(T...) i; // { dg-warning "ignored" } +}; + +A<int> a; |