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authorArthur Cohen <arthur.cohen@embecosm.com>2022-09-14 10:23:46 +0200
committerArthur Cohen <arthur.cohen@embecosm.com>2022-09-14 10:27:51 +0200
commitd4da06f721577d3eaf2e21d6c6735d32a69d6ac7 (patch)
treeaeb66d7f6e8c1d182e150ca8e5356a5fb5f144ae /gcc/rust
parentf252b4093666cf1e3d948b22f00fc12bf283a83f (diff)
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module lowering: Do not append null pointers as items
Some module items do not need to get lowered to HIR such as `macro_rules!` definitions. Hence, module lowering should act the same as crate lowering: Only emplace back the lowered item if it is a valid pointer
Diffstat (limited to 'gcc/rust')
-rw-r--r--gcc/rust/hir/rust-ast-lower-item.cc5
1 files changed, 4 insertions, 1 deletions
diff --git a/gcc/rust/hir/rust-ast-lower-item.cc b/gcc/rust/hir/rust-ast-lower-item.cc
index fefc938..336be5b 100644
--- a/gcc/rust/hir/rust-ast-lower-item.cc
+++ b/gcc/rust/hir/rust-ast-lower-item.cc
@@ -59,7 +59,10 @@ ASTLoweringItem::visit (AST::Module &module)
for (auto &item : module.get_items ())
{
auto transitem = translate (item.get ());
- items.push_back (std::unique_ptr<Item> (transitem));
+ // The item may be null if it doesn't need to live in the HIR - for
+ // example, macro rules definitions
+ if (transitem)
+ items.push_back (std::unique_ptr<Item> (transitem));
}
// should be lowered/copied from module.get_in/outer_attrs()