fix stability hole

Author: durka

src/librustc_front/lowering.rs

@@ -1236,7 +1236,12 @@ pub fn lower_expr(lctx: &LoweringContext, e: &Expr) -> P<hir::Expr> {
                                     structpath,
                                     fields.into_iter().map(|&(s, e)| {
                                         field(token::intern(s),
-                                              lower_expr(lctx, &**e),
+                                              signal_block_expr(lctx,
+                                                                hir_vec![],
+                                                                lower_expr(lctx, &**e),
+                                                                e.span,
+                                                                hir::PopUnstableBlock,
+                                                                None),
                                               ast_expr.span)
                                     }).collect(),
                                     None,

src/test/compile-fail/range_inclusive_gate.rs

@@ -14,8 +14,12 @@
 // #![feature(inclusive_range)]
 
 pub fn main() {
-    let _: std::ops::RangeInclusive<_> = 1...10;
+    let _: std::ops::RangeInclusive<_> = { use std::intrinsics; 1 } ... { use std::intrinsics; 2 };
     //~^ ERROR use of unstable library feature 'inclusive_range'
+    //~^^ ERROR core_intrinsics
+    //~^^^ ERROR core_intrinsics
+    //~^^^^ WARN unused_imports
+    //~^^^^^ WARN unused_imports
 }