Auto merge of #43115 - petrochenkov:methlife2, r=eddyb

Store all generic arguments for method calls in AST/HIR

The first part of https://github.com/rust-lang/rust/pull/42492.
Landed separately to start the process of merging libsyntax changes breaking rustfmt, which is not easy these days.

1 files changed, 1 insertions, 2 deletions

diff --git a/src/libsyntax/ext/build.rs b/src/libsyntax/ext/build.rs
index 03e5ea529e2..2555bf6dea7 100644
--- a/src/libsyntax/ext/build.rs
+++ b/src/libsyntax/ext/build.rs
@@ -673,9 +673,8 @@ impl<'a> AstBuilder for ExtCtxt<'a> {
                         expr: P<ast::Expr>,
                         ident: ast::Ident,
                         mut args: Vec<P<ast::Expr>> ) -> P<ast::Expr> {
-        let id = Spanned { node: ident, span: span };
         args.insert(0, expr);
-        self.expr(span, ast::ExprKind::MethodCall(id, Vec::new(), args))
+        self.expr(span, ast::ExprKind::MethodCall(ast::PathSegment::from_ident(ident, span), args))
     }
     fn expr_block(&self, b: P<ast::Block>) -> P<ast::Expr> {
         self.expr(b.span, ast::ExprKind::Block(b))