Parse normal functions with self parameter correctly

Fixes #2812 gcc/rust/ChangeLog: * parse/rust-parse-impl.h (Parser::parse_function): Skip token if its a COMMA. gcc/testsuite/ChangeLog: * rust/compile/issue-2812.rs: New test. Signed-off-by: Kushal Pal <[email protected]>
Rust-GCC · Jan 23, 2024 · 5f7b258 · 5f7b258
1 parent 1586de8
commit 5f7b258
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Showing 2 changed files with 6 additions and 2 deletions.
diff --git a/gcc/rust/parse/rust-parse-impl.h b/gcc/rust/parse/rust-parse-impl.h
@@ -2946,8 +2946,8 @@ Parser<ManagedTokenSource>::parse_function (AST::Visibility vis,
       && initial_param.error () != ParseSelfError::NOT_SELF)
     return nullptr;
 
-  if (initial_param.has_value ())
-    skip_token (COMMA);
+  if (initial_param.has_value () && lexer.peek_token ()->get_id () == COMMA)
+    skip_token ();
 
   // parse function parameters (only if next token isn't right paren)
   std::vector<std::unique_ptr<AST::Param>> function_params;

diff --git a/gcc/testsuite/rust/compile/issue-2812.rs b/gcc/testsuite/rust/compile/issue-2812.rs
@@ -0,0 +1,4 @@
+// { dg-additional-options "-frust-compile-until=lowering" }
+fn foo_1(&self);
+fn foo_1(&mut self);
+fn foo_1(self);