[gcc/devel/rust/master] Add closures to lints and error checking

[gcc/devel/rust/master] Add closures to lints and error checking

[Thomas Schwinge]

https://gcc.gnu.org/g:e637c0445bc4633a1a6ab1d5c32e3ee82cf03152

commit e637c0445bc4633a1a6ab1d5c32e3ee82cf03152
Author: Philip Herron <philip.herron@embecosm.com>
Date:   Wed Oct 19 18:30:36 2022 +0100

    Add closures to lints and error checking

Diff:
---
 gcc/rust/checks/errors/rust-const-checker.cc  | 4 +++-
 gcc/rust/checks/errors/rust-unsafe-checker.cc | 4 +++-
 gcc/rust/checks/lints/rust-lint-marklive.h    | 5 +++++
 3 files changed, 11 insertions(+), 2 deletions(-)

diff --git a/gcc/rust/checks/errors/rust-const-checker.cc b/gcc/rust/checks/errors/rust-const-checker.cc
index 4b4350e881f..3254a982b91 100644
--- a/gcc/rust/checks/errors/rust-const-checker.cc
+++ b/gcc/rust/checks/errors/rust-const-checker.cc
@@ -383,7 +383,9 @@ ConstChecker::visit (FieldAccessExpr &expr)
 
 void
 ConstChecker::visit (ClosureExpr &expr)
-{}
+{
+  expr.get_expr ()->accept_vis (*this);
+}
 
 void
 ConstChecker::visit (BlockExpr &expr)
diff --git a/gcc/rust/checks/errors/rust-unsafe-checker.cc b/gcc/rust/checks/errors/rust-unsafe-checker.cc
index 8dff50b38f1..55a21590b2e 100644
--- a/gcc/rust/checks/errors/rust-unsafe-checker.cc
+++ b/gcc/rust/checks/errors/rust-unsafe-checker.cc
@@ -454,7 +454,9 @@ UnsafeChecker::visit (FieldAccessExpr &expr)
 
 void
 UnsafeChecker::visit (ClosureExpr &expr)
-{}
+{
+  expr.get_expr ()->accept_vis (*this);
+}
 
 void
 UnsafeChecker::visit (BlockExpr &expr)
diff --git a/gcc/rust/checks/lints/rust-lint-marklive.h b/gcc/rust/checks/lints/rust-lint-marklive.h
index 119af8b8c95..ed5ed13c21e 100644
--- a/gcc/rust/checks/lints/rust-lint-marklive.h
+++ b/gcc/rust/checks/lints/rust-lint-marklive.h
@@ -285,6 +285,11 @@ public:
       item->accept_vis (*this);
   }
 
+  void visit (HIR::ClosureExpr &expr) override
+  {
+    expr.get_expr ()->accept_vis (*this);
+  }
+
 private:
   std::vector<HirId> worklist;
   std::set<HirId> liveSymbols;