diff --git a/compiler/rustc_resolve/src/ident.rs b/compiler/rustc_resolve/src/ident.rs
index b24ed573ff97d..43a43e01a9adf 100644
--- a/compiler/rustc_resolve/src/ident.rs
+++ b/compiler/rustc_resolve/src/ident.rs
@@ -605,6 +605,7 @@ impl<'a, 'tcx> Resolver<'a, 'tcx> {
                                 && !this.tcx.features().f16
                                 && !ident.span.allows_unstable(sym::f16)
                                 && finalize.is_some()
+                                && innermost_result.is_none()
                             {
                                 feature_err(
                                     this.tcx.sess,
@@ -618,6 +619,7 @@ impl<'a, 'tcx> Resolver<'a, 'tcx> {
                                 && !this.tcx.features().f128
                                 && !ident.span.allows_unstable(sym::f128)
                                 && finalize.is_some()
+                                && innermost_result.is_none()
                             {
                                 feature_err(
                                     this.tcx.sess,
diff --git a/tests/ui/feature-gates/feature-gate-f128.e2015.stderr b/tests/ui/feature-gates/feature-gate-f128.e2015.stderr
index a1b28f5b9bd14..771aee79dce16 100644
--- a/tests/ui/feature-gates/feature-gate-f128.e2015.stderr
+++ b/tests/ui/feature-gates/feature-gate-f128.e2015.stderr
@@ -1,5 +1,5 @@
 error[E0658]: the type `f128` is unstable
-  --> $DIR/feature-gate-f128.rs:11:10
+  --> $DIR/feature-gate-f128.rs:7:10
    |
 LL | const A: f128 = 10.0;
    |          ^^^^
@@ -9,7 +9,7 @@ LL | const A: f128 = 10.0;
    = note: this compiler was built on YYYY-MM-DD; consider upgrading it if it is out of date
 
 error[E0658]: the type `f128` is unstable
-  --> $DIR/feature-gate-f128.rs:14:12
+  --> $DIR/feature-gate-f128.rs:10:12
    |
 LL |     let a: f128 = 100.0;
    |            ^^^^
@@ -19,7 +19,7 @@ LL |     let a: f128 = 100.0;
    = note: this compiler was built on YYYY-MM-DD; consider upgrading it if it is out of date
 
 error[E0658]: the type `f128` is unstable
-  --> $DIR/feature-gate-f128.rs:19:11
+  --> $DIR/feature-gate-f128.rs:15:11
    |
 LL | fn foo(a: f128) {}
    |           ^^^^
@@ -29,7 +29,7 @@ LL | fn foo(a: f128) {}
    = note: this compiler was built on YYYY-MM-DD; consider upgrading it if it is out of date
 
 error[E0658]: the type `f128` is unstable
-  --> $DIR/feature-gate-f128.rs:22:8
+  --> $DIR/feature-gate-f128.rs:18:8
    |
 LL |     a: f128,
    |        ^^^^
@@ -39,7 +39,7 @@ LL |     a: f128,
    = note: this compiler was built on YYYY-MM-DD; consider upgrading it if it is out of date
 
 error[E0658]: the type `f128` is unstable
-  --> $DIR/feature-gate-f128.rs:15:13
+  --> $DIR/feature-gate-f128.rs:11:13
    |
 LL |     let b = 0.0f128;
    |             ^^^^^^^
diff --git a/tests/ui/feature-gates/feature-gate-f128.e2018.stderr b/tests/ui/feature-gates/feature-gate-f128.e2018.stderr
index a1b28f5b9bd14..771aee79dce16 100644
--- a/tests/ui/feature-gates/feature-gate-f128.e2018.stderr
+++ b/tests/ui/feature-gates/feature-gate-f128.e2018.stderr
@@ -1,5 +1,5 @@
 error[E0658]: the type `f128` is unstable
-  --> $DIR/feature-gate-f128.rs:11:10
+  --> $DIR/feature-gate-f128.rs:7:10
    |
 LL | const A: f128 = 10.0;
    |          ^^^^
@@ -9,7 +9,7 @@ LL | const A: f128 = 10.0;
    = note: this compiler was built on YYYY-MM-DD; consider upgrading it if it is out of date
 
 error[E0658]: the type `f128` is unstable
-  --> $DIR/feature-gate-f128.rs:14:12
+  --> $DIR/feature-gate-f128.rs:10:12
    |
 LL |     let a: f128 = 100.0;
    |            ^^^^
@@ -19,7 +19,7 @@ LL |     let a: f128 = 100.0;
    = note: this compiler was built on YYYY-MM-DD; consider upgrading it if it is out of date
 
 error[E0658]: the type `f128` is unstable
-  --> $DIR/feature-gate-f128.rs:19:11
+  --> $DIR/feature-gate-f128.rs:15:11
    |
 LL | fn foo(a: f128) {}
    |           ^^^^
@@ -29,7 +29,7 @@ LL | fn foo(a: f128) {}
    = note: this compiler was built on YYYY-MM-DD; consider upgrading it if it is out of date
 
 error[E0658]: the type `f128` is unstable
-  --> $DIR/feature-gate-f128.rs:22:8
+  --> $DIR/feature-gate-f128.rs:18:8
    |
 LL |     a: f128,
    |        ^^^^
@@ -39,7 +39,7 @@ LL |     a: f128,
    = note: this compiler was built on YYYY-MM-DD; consider upgrading it if it is out of date
 
 error[E0658]: the type `f128` is unstable
-  --> $DIR/feature-gate-f128.rs:15:13
+  --> $DIR/feature-gate-f128.rs:11:13
    |
 LL |     let b = 0.0f128;
    |             ^^^^^^^
diff --git a/tests/ui/feature-gates/feature-gate-f16.e2015.stderr b/tests/ui/feature-gates/feature-gate-f16.e2015.stderr
index b58331b2782b3..2bb3b59465a08 100644
--- a/tests/ui/feature-gates/feature-gate-f16.e2015.stderr
+++ b/tests/ui/feature-gates/feature-gate-f16.e2015.stderr
@@ -1,5 +1,5 @@
 error[E0658]: the type `f16` is unstable
-  --> $DIR/feature-gate-f16.rs:11:10
+  --> $DIR/feature-gate-f16.rs:7:10
    |
 LL | const A: f16 = 10.0;
    |          ^^^
@@ -9,7 +9,7 @@ LL | const A: f16 = 10.0;
    = note: this compiler was built on YYYY-MM-DD; consider upgrading it if it is out of date
 
 error[E0658]: the type `f16` is unstable
-  --> $DIR/feature-gate-f16.rs:14:12
+  --> $DIR/feature-gate-f16.rs:10:12
    |
 LL |     let a: f16 = 100.0;
    |            ^^^
@@ -19,7 +19,7 @@ LL |     let a: f16 = 100.0;
    = note: this compiler was built on YYYY-MM-DD; consider upgrading it if it is out of date
 
 error[E0658]: the type `f16` is unstable
-  --> $DIR/feature-gate-f16.rs:19:11
+  --> $DIR/feature-gate-f16.rs:15:11
    |
 LL | fn foo(a: f16) {}
    |           ^^^
@@ -29,7 +29,7 @@ LL | fn foo(a: f16) {}
    = note: this compiler was built on YYYY-MM-DD; consider upgrading it if it is out of date
 
 error[E0658]: the type `f16` is unstable
-  --> $DIR/feature-gate-f16.rs:22:8
+  --> $DIR/feature-gate-f16.rs:18:8
    |
 LL |     a: f16,
    |        ^^^
@@ -39,7 +39,7 @@ LL |     a: f16,
    = note: this compiler was built on YYYY-MM-DD; consider upgrading it if it is out of date
 
 error[E0658]: the type `f16` is unstable
-  --> $DIR/feature-gate-f16.rs:15:13
+  --> $DIR/feature-gate-f16.rs:11:13
    |
 LL |     let b = 0.0f16;
    |             ^^^^^^
diff --git a/tests/ui/feature-gates/feature-gate-f16.e2018.stderr b/tests/ui/feature-gates/feature-gate-f16.e2018.stderr
index b58331b2782b3..2bb3b59465a08 100644
--- a/tests/ui/feature-gates/feature-gate-f16.e2018.stderr
+++ b/tests/ui/feature-gates/feature-gate-f16.e2018.stderr
@@ -1,5 +1,5 @@
 error[E0658]: the type `f16` is unstable
-  --> $DIR/feature-gate-f16.rs:11:10
+  --> $DIR/feature-gate-f16.rs:7:10
    |
 LL | const A: f16 = 10.0;
    |          ^^^
@@ -9,7 +9,7 @@ LL | const A: f16 = 10.0;
    = note: this compiler was built on YYYY-MM-DD; consider upgrading it if it is out of date
 
 error[E0658]: the type `f16` is unstable
-  --> $DIR/feature-gate-f16.rs:14:12
+  --> $DIR/feature-gate-f16.rs:10:12
    |
 LL |     let a: f16 = 100.0;
    |            ^^^
@@ -19,7 +19,7 @@ LL |     let a: f16 = 100.0;
    = note: this compiler was built on YYYY-MM-DD; consider upgrading it if it is out of date
 
 error[E0658]: the type `f16` is unstable
-  --> $DIR/feature-gate-f16.rs:19:11
+  --> $DIR/feature-gate-f16.rs:15:11
    |
 LL | fn foo(a: f16) {}
    |           ^^^
@@ -29,7 +29,7 @@ LL | fn foo(a: f16) {}
    = note: this compiler was built on YYYY-MM-DD; consider upgrading it if it is out of date
 
 error[E0658]: the type `f16` is unstable
-  --> $DIR/feature-gate-f16.rs:22:8
+  --> $DIR/feature-gate-f16.rs:18:8
    |
 LL |     a: f16,
    |        ^^^
@@ -39,7 +39,7 @@ LL |     a: f16,
    = note: this compiler was built on YYYY-MM-DD; consider upgrading it if it is out of date
 
 error[E0658]: the type `f16` is unstable
-  --> $DIR/feature-gate-f16.rs:15:13
+  --> $DIR/feature-gate-f16.rs:11:13
    |
 LL |     let b = 0.0f16;
    |             ^^^^^^