From: Raiki Tamura <[email protected]>
gcc/rust/ChangeLog:
* util/rust-lang-item.h: Add handling for `phantom_data` lang item.
gcc/testsuite/ChangeLog:
* rust/compile/torture/phantom_data.rs: New test.
---
gcc/rust/util/rust-lang-item.h | 9 +++++++++
gcc/testsuite/rust/compile/torture/phantom_data.rs | 11 +++++++++++
2 files changed, 20 insertions(+)
create mode 100644 gcc/testsuite/rust/compile/torture/phantom_data.rs
diff --git a/gcc/rust/util/rust-lang-item.h b/gcc/rust/util/rust-lang-item.h
index 02eeaee60df..ea0c91aa5f2 100644
--- a/gcc/rust/util/rust-lang-item.h
+++ b/gcc/rust/util/rust-lang-item.h
@@ -73,6 +73,9 @@ public:
MUT_PTR,
CONST_SLICE_PTR,
+ // https://github.com/rust-lang/rust/blob/master/library/core/src/marker.rs
+ PHANTOM_DATA,
+
// functions
FN_ONCE,
FN_ONCE_OUTPUT,
@@ -222,6 +225,10 @@ public:
{
return ItemType::CONST_SLICE_PTR;
}
+ else if (item.compare ("phantom_data") == 0)
+ {
+ return ItemType::PHANTOM_DATA;
+ }
else if (item.compare ("fn_once") == 0)
{
return ItemType::FN_ONCE;
@@ -308,6 +315,8 @@ public:
return "mut_ptr";
case CONST_SLICE_PTR:
return "const_slice_ptr";
+ case PHANTOM_DATA:
+ return "phantom_data";
case FN_ONCE:
return "fn_once";
case FN_ONCE_OUTPUT:
diff --git a/gcc/testsuite/rust/compile/torture/phantom_data.rs
b/gcc/testsuite/rust/compile/torture/phantom_data.rs
new file mode 100644
index 00000000000..89e76aeb5eb
--- /dev/null
+++ b/gcc/testsuite/rust/compile/torture/phantom_data.rs
@@ -0,0 +1,11 @@
+// { dg-options "-w" }
+#[lang = "phantom_data"]
+struct PhantomData<T>;
+
+trait Hash {
+ fn hash<H>(&self, state: &mut H);
+}
+
+impl<T> Hash for PhantomData<T> {
+ fn hash<H>(&self, state: &mut H) {}
+}
--
2.39.1
--
Gcc-rust mailing list
[email protected]
https://gcc.gnu.org/mailman/listinfo/gcc-rust
