diff options
Diffstat (limited to 'compiler/rustc_ast_lowering/src/expr.rs')
| -rw-r--r-- | compiler/rustc_ast_lowering/src/expr.rs | 7 |
1 files changed, 5 insertions, 2 deletions
diff --git a/compiler/rustc_ast_lowering/src/expr.rs b/compiler/rustc_ast_lowering/src/expr.rs index efbd1711daa..9c3db7abc1c 100644 --- a/compiler/rustc_ast_lowering/src/expr.rs +++ b/compiler/rustc_ast_lowering/src/expr.rs @@ -671,10 +671,13 @@ impl<'hir> LoweringContext<'_, 'hir> { let span = self.lower_span(arm.span); self.lower_attrs(hir_id, &arm.attrs, arm.span); let is_never_pattern = pat.is_never_pattern(); - let body = if let Some(body) = &arm.body + // We need to lower the body even if it's unneeded for never pattern in match, + // ensure that we can get HirId for DefId if need (issue #137708). + let body = arm.body.as_ref().map(|x| self.lower_expr(x)); + let body = if let Some(body) = body && !is_never_pattern { - self.lower_expr(body) + body } else { // Either `body.is_none()` or `is_never_pattern` here. if !is_never_pattern { |