[gcc/devel/rust/master] Improve GroupedPattern lowering

[gcc/devel/rust/master] Improve GroupedPattern lowering

[Thomas Schwinge]

https://gcc.gnu.org/g:a26b897b44732a5ec024008e05a6cc0a06bfabdd

commit a26b897b44732a5ec024008e05a6cc0a06bfabdd
Author: Owen Avery <powerboat9.gamer@gmail.com>
Date:   Mon Jan 30 20:13:52 2023 -0500

    Improve GroupedPattern lowering
    
    gcc/rust/ChangeLog:
    
            * hir/rust-ast-lower-pattern.cc
            (ASTLoweringPattern::visit): Lower AST::GroupedPattern to its inner pattern.
    
    Signed-off-by: Owen Avery <powerboat9.gamer@gmail.com>

Diff:
---
 gcc/rust/hir/rust-ast-lower-pattern.cc | 12 +-----------
 1 file changed, 1 insertion(+), 11 deletions(-)

diff --git a/gcc/rust/hir/rust-ast-lower-pattern.cc b/gcc/rust/hir/rust-ast-lower-pattern.cc
index d13af46523b..237fa2ee746 100644
--- a/gcc/rust/hir/rust-ast-lower-pattern.cc
+++ b/gcc/rust/hir/rust-ast-lower-pattern.cc
@@ -246,17 +246,7 @@ ASTLoweringPattern::visit (AST::RangePattern &pattern)
 void
 ASTLoweringPattern::visit (AST::GroupedPattern &pattern)
 {
-  auto crate_num = mappings->get_current_crate ();
-  Analysis::NodeMapping mapping (crate_num, pattern.get_node_id (),
-				 mappings->get_next_hir_id (crate_num),
-				 UNKNOWN_LOCAL_DEFID);
-
-  HIR::Pattern *inner
-    = ASTLoweringPattern::translate (pattern.get_pattern_in_parens ().get ());
-
-  translated
-    = new HIR::GroupedPattern (mapping, std::unique_ptr<HIR::Pattern> (inner),
-			       pattern.get_locus ());
+  pattern.get_pattern_in_parens ()->accept_vis (*this);
 }
 
 } // namespace HIR