diff --git a/src/test/compile-fail/edition-raw-pointer-method-2015.rs b/src/test/compile-fail/edition-raw-pointer-method-2015.rs
index b304443f631..4ba44fa54d8 100644
--- a/src/test/compile-fail/edition-raw-pointer-method-2015.rs
+++ b/src/test/compile-fail/edition-raw-pointer-method-2015.rs
@@ -9,7 +9,7 @@
 // except according to those terms.
 
 // ignore-tidy-linelength
-// compile-flags: --edition=2015 -Zunstable-options
+// edition:2015
 
 // tests that editions work with the tyvar warning-turned-error
 
diff --git a/src/test/compile-fail/edition-raw-pointer-method-2018.rs b/src/test/compile-fail/edition-raw-pointer-method-2018.rs
index d0cf81d59cf..c8548ed35b9 100644
--- a/src/test/compile-fail/edition-raw-pointer-method-2018.rs
+++ b/src/test/compile-fail/edition-raw-pointer-method-2018.rs
@@ -9,7 +9,7 @@
 // except according to those terms.
 
 // ignore-tidy-linelength
-// compile-flags: --edition=2018 -Zunstable-options
+// edition:2018
 
 // tests that editions work with the tyvar warning-turned-error
 
diff --git a/src/test/compile-fail/rfc-2126-extern-absolute-paths/non-existent-1.rs b/src/test/compile-fail/rfc-2126-extern-absolute-paths/non-existent-1.rs
index fcf4714ba96..e04bb27f435 100644
--- a/src/test/compile-fail/rfc-2126-extern-absolute-paths/non-existent-1.rs
+++ b/src/test/compile-fail/rfc-2126-extern-absolute-paths/non-existent-1.rs
@@ -8,7 +8,7 @@
 // option. This file may not be copied, modified, or distributed
 // except according to those terms.
 
-// compile-flags: --edition=2018 -Zunstable-options
+// edition:2018
 
 #![feature(extern_absolute_paths)]
 
diff --git a/src/test/compile-fail/rfc-2126-extern-absolute-paths/non-existent-2.rs b/src/test/compile-fail/rfc-2126-extern-absolute-paths/non-existent-2.rs
index c256c5592c2..bebf0236bb4 100644
--- a/src/test/compile-fail/rfc-2126-extern-absolute-paths/non-existent-2.rs
+++ b/src/test/compile-fail/rfc-2126-extern-absolute-paths/non-existent-2.rs
@@ -8,7 +8,7 @@
 // option. This file may not be copied, modified, or distributed
 // except according to those terms.
 
-// compile-flags: --edition=2018 -Zunstable-options
+// edition:2018
 
 #![feature(extern_absolute_paths)]
 
diff --git a/src/test/compile-fail/rfc-2126-extern-absolute-paths/non-existent-3.rs b/src/test/compile-fail/rfc-2126-extern-absolute-paths/non-existent-3.rs
index 837dc617b3a..5906a0719c8 100644
--- a/src/test/compile-fail/rfc-2126-extern-absolute-paths/non-existent-3.rs
+++ b/src/test/compile-fail/rfc-2126-extern-absolute-paths/non-existent-3.rs
@@ -8,7 +8,7 @@
 // option. This file may not be copied, modified, or distributed
 // except according to those terms.
 
-// compile-flags: --edition=2018 -Zunstable-options
+// edition:2018
 
 #![feature(extern_absolute_paths)]
 
diff --git a/src/test/compile-fail/rfc-2126-extern-absolute-paths/single-segment.rs b/src/test/compile-fail/rfc-2126-extern-absolute-paths/single-segment.rs
index 9b7baa00163..7111176dbd9 100644
--- a/src/test/compile-fail/rfc-2126-extern-absolute-paths/single-segment.rs
+++ b/src/test/compile-fail/rfc-2126-extern-absolute-paths/single-segment.rs
@@ -9,7 +9,7 @@
 // except according to those terms.
 
 // aux-build:xcrate.rs
-// compile-flags: --edition=2018 -Zunstable-options
+// edition:2018
 
 #![feature(crate_in_paths)]
 #![feature(extern_absolute_paths)]
diff --git a/src/test/run-pass/async-await.rs b/src/test/run-pass/async-await.rs
index 817db4bb79e..8b649f6ef7b 100644
--- a/src/test/run-pass/async-await.rs
+++ b/src/test/run-pass/async-await.rs
@@ -8,7 +8,7 @@
 // option. This file may not be copied, modified, or distributed
 // except according to those terms.
 
-// compile-flags: --edition=2018
+// edition:2018
 
 #![feature(arbitrary_self_types, async_await, await_macro, futures_api, pin)]
 
diff --git a/src/test/run-pass/auxiliary/edition-kw-macro-2015.rs b/src/test/run-pass/auxiliary/edition-kw-macro-2015.rs
index 9127c8e350a..69952e9f90a 100644
--- a/src/test/run-pass/auxiliary/edition-kw-macro-2015.rs
+++ b/src/test/run-pass/auxiliary/edition-kw-macro-2015.rs
@@ -8,7 +8,7 @@
 // option. This file may not be copied, modified, or distributed
 // except according to those terms.
 
-// compile-flags: --edition=2015
+// edition:2015
 
 #![feature(raw_identifiers)]
 
diff --git a/src/test/run-pass/auxiliary/edition-kw-macro-2018.rs b/src/test/run-pass/auxiliary/edition-kw-macro-2018.rs
index 4fef77d67ea..415988586a0 100644
--- a/src/test/run-pass/auxiliary/edition-kw-macro-2018.rs
+++ b/src/test/run-pass/auxiliary/edition-kw-macro-2018.rs
@@ -8,7 +8,7 @@
 // option. This file may not be copied, modified, or distributed
 // except according to those terms.
 
-// compile-flags: --edition=2018
+// edition:2018
 
 #![feature(raw_identifiers)]
 
diff --git a/src/test/run-pass/edition-keywords-2015-2015.rs b/src/test/run-pass/edition-keywords-2015-2015.rs
index 41480bb978e..73869e63de7 100644
--- a/src/test/run-pass/edition-keywords-2015-2015.rs
+++ b/src/test/run-pass/edition-keywords-2015-2015.rs
@@ -8,7 +8,7 @@
 // option. This file may not be copied, modified, or distributed
 // except according to those terms.
 
-// compile-flags: --edition=2015
+// edition:2015
 // aux-build:edition-kw-macro-2015.rs
 
 #![feature(raw_identifiers)]
diff --git a/src/test/run-pass/edition-keywords-2015-2018.rs b/src/test/run-pass/edition-keywords-2015-2018.rs
index 78835d51063..0a1c6505854 100644
--- a/src/test/run-pass/edition-keywords-2015-2018.rs
+++ b/src/test/run-pass/edition-keywords-2015-2018.rs
@@ -8,7 +8,7 @@
 // option. This file may not be copied, modified, or distributed
 // except according to those terms.
 
-// compile-flags: --edition=2015
+// edition:2015
 // aux-build:edition-kw-macro-2018.rs
 
 #![feature(raw_identifiers)]
diff --git a/src/test/run-pass/edition-keywords-2018-2015.rs b/src/test/run-pass/edition-keywords-2018-2015.rs
index 46d5f222cbb..4c22667d0bf 100644
--- a/src/test/run-pass/edition-keywords-2018-2015.rs
+++ b/src/test/run-pass/edition-keywords-2018-2015.rs
@@ -8,7 +8,7 @@
 // option. This file may not be copied, modified, or distributed
 // except according to those terms.
 
-// compile-flags: --edition=2018
+// edition:2018
 // aux-build:edition-kw-macro-2015.rs
 
 #![feature(raw_identifiers)]
diff --git a/src/test/run-pass/edition-keywords-2018-2018.rs b/src/test/run-pass/edition-keywords-2018-2018.rs
index 06482988937..2a98b904da5 100644
--- a/src/test/run-pass/edition-keywords-2018-2018.rs
+++ b/src/test/run-pass/edition-keywords-2018-2018.rs
@@ -8,7 +8,7 @@
 // option. This file may not be copied, modified, or distributed
 // except according to those terms.
 
-// compile-flags: --edition=2018
+// edition:2018
 // aux-build:edition-kw-macro-2018.rs
 
 #![feature(raw_identifiers)]
diff --git a/src/test/run-pass/rfc-2126-extern-absolute-paths/basic.rs b/src/test/run-pass/rfc-2126-extern-absolute-paths/basic.rs
index bbe066481a8..dfa583415f7 100644
--- a/src/test/run-pass/rfc-2126-extern-absolute-paths/basic.rs
+++ b/src/test/run-pass/rfc-2126-extern-absolute-paths/basic.rs
@@ -9,7 +9,7 @@
 // except according to those terms.
 
 // aux-build:xcrate.rs
-// compile-flags: --edition=2018 -Zunstable-options
+// edition:2018
 
 #![feature(extern_absolute_paths)]
 
diff --git a/src/test/run-pass/rfc-2126-extern-absolute-paths/test.rs b/src/test/run-pass/rfc-2126-extern-absolute-paths/test.rs
index ead462cf0d2..6317dc17652 100644
--- a/src/test/run-pass/rfc-2126-extern-absolute-paths/test.rs
+++ b/src/test/run-pass/rfc-2126-extern-absolute-paths/test.rs
@@ -12,7 +12,8 @@
 //
 // Regression test for #47075.
 
-// compile-flags: --test --edition=2018 -Zunstable-options
+// edition:2018
+// compile-flags: --test
 
 #![feature(extern_absolute_paths)]
 
diff --git a/src/test/ui/async-fn-multiple-lifetimes.rs b/src/test/ui/async-fn-multiple-lifetimes.rs
index ce062ded7f7..aab4974e2e7 100644
--- a/src/test/ui/async-fn-multiple-lifetimes.rs
+++ b/src/test/ui/async-fn-multiple-lifetimes.rs
@@ -8,7 +8,7 @@
 // option. This file may not be copied, modified, or distributed
 // except according to those terms.
 
-// compile-flags: --edition=2018
+// edition:2018
 
 #![feature(arbitrary_self_types, async_await, await_macro, futures_api, pin)]
 
diff --git a/src/test/ui/auxiliary/edition-kw-macro-2015.rs b/src/test/ui/auxiliary/edition-kw-macro-2015.rs
index 9127c8e350a..69952e9f90a 100644
--- a/src/test/ui/auxiliary/edition-kw-macro-2015.rs
+++ b/src/test/ui/auxiliary/edition-kw-macro-2015.rs
@@ -8,7 +8,7 @@
 // option. This file may not be copied, modified, or distributed
 // except according to those terms.
 
-// compile-flags: --edition=2015
+// edition:2015
 
 #![feature(raw_identifiers)]
 
diff --git a/src/test/ui/auxiliary/edition-kw-macro-2018.rs b/src/test/ui/auxiliary/edition-kw-macro-2018.rs
index 4fef77d67ea..415988586a0 100644
--- a/src/test/ui/auxiliary/edition-kw-macro-2018.rs
+++ b/src/test/ui/auxiliary/edition-kw-macro-2018.rs
@@ -8,7 +8,7 @@
 // option. This file may not be copied, modified, or distributed
 // except according to those terms.
 
-// compile-flags: --edition=2018
+// edition:2018
 
 #![feature(raw_identifiers)]
 
diff --git a/src/test/ui/edition-keywords-2015-2015-expansion.rs b/src/test/ui/edition-keywords-2015-2015-expansion.rs
index b8a1994a105..349ab3e27ad 100644
--- a/src/test/ui/edition-keywords-2015-2015-expansion.rs
+++ b/src/test/ui/edition-keywords-2015-2015-expansion.rs
@@ -8,7 +8,7 @@
 // option. This file may not be copied, modified, or distributed
 // except according to those terms.
 
-// compile-flags: --edition=2015
+// edition:2015
 // aux-build:edition-kw-macro-2015.rs
 // compile-pass
 
diff --git a/src/test/ui/edition-keywords-2015-2015-parsing.rs b/src/test/ui/edition-keywords-2015-2015-parsing.rs
index 1fb91ca006c..08cba2d2908 100644
--- a/src/test/ui/edition-keywords-2015-2015-parsing.rs
+++ b/src/test/ui/edition-keywords-2015-2015-parsing.rs
@@ -8,7 +8,7 @@
 // option. This file may not be copied, modified, or distributed
 // except according to those terms.
 
-// compile-flags: --edition=2015
+// edition:2015
 // aux-build:edition-kw-macro-2015.rs
 
 #![feature(raw_identifiers)]
diff --git a/src/test/ui/edition-keywords-2015-2018-expansion.rs b/src/test/ui/edition-keywords-2015-2018-expansion.rs
index bc14c104c49..082eb8d89f9 100644
--- a/src/test/ui/edition-keywords-2015-2018-expansion.rs
+++ b/src/test/ui/edition-keywords-2015-2018-expansion.rs
@@ -8,7 +8,7 @@
 // option. This file may not be copied, modified, or distributed
 // except according to those terms.
 
-// compile-flags: --edition=2015
+// edition:2015
 // aux-build:edition-kw-macro-2018.rs
 
 #![feature(raw_identifiers)]
diff --git a/src/test/ui/edition-keywords-2015-2018-parsing.rs b/src/test/ui/edition-keywords-2015-2018-parsing.rs
index 0b680eb16c7..337d6be6bbc 100644
--- a/src/test/ui/edition-keywords-2015-2018-parsing.rs
+++ b/src/test/ui/edition-keywords-2015-2018-parsing.rs
@@ -8,7 +8,7 @@
 // option. This file may not be copied, modified, or distributed
 // except according to those terms.
 
-// compile-flags: --edition=2015
+// edition:2015
 // aux-build:edition-kw-macro-2018.rs
 
 #![feature(raw_identifiers)]
diff --git a/src/test/ui/edition-keywords-2018-2015-expansion.rs b/src/test/ui/edition-keywords-2018-2015-expansion.rs
index 6f85f427eb0..6e2073e0e49 100644
--- a/src/test/ui/edition-keywords-2018-2015-expansion.rs
+++ b/src/test/ui/edition-keywords-2018-2015-expansion.rs
@@ -8,7 +8,7 @@
 // option. This file may not be copied, modified, or distributed
 // except according to those terms.
 
-// compile-flags: --edition=2018
+// edition:2018
 // aux-build:edition-kw-macro-2015.rs
 // compile-pass
 
diff --git a/src/test/ui/edition-keywords-2018-2015-parsing.rs b/src/test/ui/edition-keywords-2018-2015-parsing.rs
index 02dc8c87956..713da57f7e2 100644
--- a/src/test/ui/edition-keywords-2018-2015-parsing.rs
+++ b/src/test/ui/edition-keywords-2018-2015-parsing.rs
@@ -8,7 +8,7 @@
 // option. This file may not be copied, modified, or distributed
 // except according to those terms.
 
-// compile-flags: --edition=2018
+// edition:2018
 // aux-build:edition-kw-macro-2015.rs
 
 #![feature(raw_identifiers)]
diff --git a/src/test/ui/edition-keywords-2018-2018-expansion.rs b/src/test/ui/edition-keywords-2018-2018-expansion.rs
index ef7f63e225c..50db4202e98 100644
--- a/src/test/ui/edition-keywords-2018-2018-expansion.rs
+++ b/src/test/ui/edition-keywords-2018-2018-expansion.rs
@@ -8,7 +8,7 @@
 // option. This file may not be copied, modified, or distributed
 // except according to those terms.
 
-// compile-flags: --edition=2018
+// edition:2018
 // aux-build:edition-kw-macro-2018.rs
 
 #![feature(raw_identifiers)]
diff --git a/src/test/ui/edition-keywords-2018-2018-parsing.rs b/src/test/ui/edition-keywords-2018-2018-parsing.rs
index f9b4d0e18c1..263ec95caa7 100644
--- a/src/test/ui/edition-keywords-2018-2018-parsing.rs
+++ b/src/test/ui/edition-keywords-2018-2018-parsing.rs
@@ -8,7 +8,7 @@
 // option. This file may not be copied, modified, or distributed
 // except according to those terms.
 
-// compile-flags: --edition=2018
+// edition:2018
 // aux-build:edition-kw-macro-2018.rs
 
 #![feature(raw_identifiers)]
diff --git a/src/test/ui/feature-gate-async-await-2015-edition.rs b/src/test/ui/feature-gate-async-await-2015-edition.rs
index b1dd6a77e97..5b865e9c1c7 100644
--- a/src/test/ui/feature-gate-async-await-2015-edition.rs
+++ b/src/test/ui/feature-gate-async-await-2015-edition.rs
@@ -8,7 +8,7 @@
 // option. This file may not be copied, modified, or distributed
 // except according to those terms.
 
-// compile-flags: --edition=2015
+// edition:2015
 
 #![feature(futures_api)]
 
diff --git a/src/test/ui/feature-gate-async-await.rs b/src/test/ui/feature-gate-async-await.rs
index 971b75c6dd0..be34842dea3 100644
--- a/src/test/ui/feature-gate-async-await.rs
+++ b/src/test/ui/feature-gate-async-await.rs
@@ -8,7 +8,8 @@
 // option. This file may not be copied, modified, or distributed
 // except according to those terms.
 
-// compile-flags: --edition=2018
+// edition:2018
+
 #![feature(futures_api)]
 
 async fn foo() {} //~ ERROR async fn is unstable
diff --git a/src/test/ui/feature-gate-async-await.stderr b/src/test/ui/feature-gate-async-await.stderr
index fdee6e20575..79ed5c4d008 100644
--- a/src/test/ui/feature-gate-async-await.stderr
+++ b/src/test/ui/feature-gate-async-await.stderr
@@ -1,5 +1,5 @@
 error[E0658]: async fn is unstable (see issue #50547)
-  --> $DIR/feature-gate-async-await.rs:14:1
+  --> $DIR/feature-gate-async-await.rs:15:1
    |
 LL | async fn foo() {} //~ ERROR async fn is unstable
    | ^^^^^^^^^^^^^^^^^
@@ -7,7 +7,7 @@ LL | async fn foo() {} //~ ERROR async fn is unstable
    = help: add #![feature(async_await)] to the crate attributes to enable
 
 error[E0658]: async blocks are unstable (see issue #50547)
-  --> $DIR/feature-gate-async-await.rs:17:13
+  --> $DIR/feature-gate-async-await.rs:18:13
    |
 LL |     let _ = async {}; //~ ERROR async blocks are unstable
    |             ^^^^^^^^
@@ -15,7 +15,7 @@ LL |     let _ = async {}; //~ ERROR async blocks are unstable
    = help: add #![feature(async_await)] to the crate attributes to enable
 
 error[E0658]: async closures are unstable (see issue #50547)
-  --> $DIR/feature-gate-async-await.rs:18:13
+  --> $DIR/feature-gate-async-await.rs:19:13
    |
 LL |     let _ = async || {}; //~ ERROR async closures are unstable
    |             ^^^^^^^^^^^
diff --git a/src/test/ui/lint-anon-param-edition.fixed b/src/test/ui/lint-anon-param-edition.fixed
index de223d9ccf7..c4379b496f8 100644
--- a/src/test/ui/lint-anon-param-edition.fixed
+++ b/src/test/ui/lint-anon-param-edition.fixed
@@ -11,7 +11,7 @@
 // tests that the anonymous_parameters lint is warn-by-default on the 2018 edition
 
 // compile-pass
-// compile-flags: --edition=2018
+// edition:2018
 // run-rustfix
 
 trait Foo {
diff --git a/src/test/ui/lint-anon-param-edition.rs b/src/test/ui/lint-anon-param-edition.rs
index 35406806df9..13eb5dfd816 100644
--- a/src/test/ui/lint-anon-param-edition.rs
+++ b/src/test/ui/lint-anon-param-edition.rs
@@ -11,7 +11,7 @@
 // tests that the anonymous_parameters lint is warn-by-default on the 2018 edition
 
 // compile-pass
-// compile-flags: --edition=2018
+// edition:2018
 // run-rustfix
 
 trait Foo {
diff --git a/src/test/ui/no-args-non-move-async-closure.rs b/src/test/ui/no-args-non-move-async-closure.rs
index f2ecc447718..9cb754167cf 100644
--- a/src/test/ui/no-args-non-move-async-closure.rs
+++ b/src/test/ui/no-args-non-move-async-closure.rs
@@ -8,7 +8,7 @@
 // option. This file may not be copied, modified, or distributed
 // except according to those terms.
 
-// compile-flags: --edition=2018
+// edition:2018
 
 #![feature(arbitrary_self_types, async_await, await_macro, futures_api, pin)]
 
diff --git a/src/tools/compiletest/src/header.rs b/src/tools/compiletest/src/header.rs
index f66f5c5b70e..1dd7fe7f0cb 100644
--- a/src/tools/compiletest/src/header.rs
+++ b/src/tools/compiletest/src/header.rs
@@ -298,6 +298,10 @@ impl TestProps {
                     .extend(flags.split_whitespace().map(|s| s.to_owned()));
             }
 
+            if let Some(edition) = config.parse_edition(ln) {
+                self.compile_flags.push(format!("--edition={}", edition));
+            }
+
             if let Some(r) = config.parse_revisions(ln) {
                 self.revisions.extend(r);
             }
@@ -371,9 +375,9 @@ impl TestProps {
                 self.compile_pass = config.parse_compile_pass(ln) || self.run_pass;
             }
 
-                        if !self.skip_codegen {
-                            self.skip_codegen = config.parse_skip_codegen(ln);
-                        }
+            if !self.skip_codegen {
+                self.skip_codegen = config.parse_skip_codegen(ln);
+            }
 
             if !self.disable_ui_testing_normalization {
                 self.disable_ui_testing_normalization =
@@ -647,6 +651,10 @@ impl Config {
     fn parse_run_rustfix(&self, line: &str) -> bool {
         self.parse_name_directive(line, "run-rustfix")
     }
+
+    fn parse_edition(&self, line: &str) -> Option<String> {
+        self.parse_name_value_directive(line, "edition")
+    }
 }
 
 pub fn lldb_version_to_int(version_string: &str) -> isize {
diff --git a/src/tools/compiletest/src/runtest.rs b/src/tools/compiletest/src/runtest.rs
index caf73f4f68b..408eda5ba5b 100644
--- a/src/tools/compiletest/src/runtest.rs
+++ b/src/tools/compiletest/src/runtest.rs
@@ -1368,6 +1368,7 @@ impl<'test> TestCx<'test> {
             .arg(out_dir)
             .arg(&self.testpaths.file)
             .args(&self.props.compile_flags);
+
         if let Some(ref linker) = self.config.linker {
             rustdoc
                 .arg("--linker")