update unstable linker-features test

update use of unstable `-Zlinker-features` flag that is now stabilized.

Author: lqd

tests/ui/linking/linker-features-malformed.invalid_modifier.stderr

@@ -1,2 +1,2 @@
-error: incorrect value `*lld` for unstable option `linker-features` - a list of enabled (`+` prefix) and disabled (`-` prefix) features: `lld` was expected
+error: incorrect value `*lld` for codegen option `linker-features` - a list of enabled (`+` prefix) and disabled (`-` prefix) features: `lld` was expected
 

tests/ui/linking/linker-features-malformed.invalid_separator.stderr

@@ -1,2 +1,2 @@
-error: incorrect value `-lld@+lld` for unstable option `linker-features` - a list of enabled (`+` prefix) and disabled (`-` prefix) features: `lld` was expected
+error: incorrect value `-lld@+lld` for codegen option `linker-features` - a list of enabled (`+` prefix) and disabled (`-` prefix) features: `lld` was expected
 

tests/ui/linking/linker-features-malformed.no_value.stderr

@@ -1,2 +1,2 @@
-error: incorrect value `` for unstable option `linker-features` - a list of enabled (`+` prefix) and disabled (`-` prefix) features: `lld` was expected
+error: incorrect value `` for codegen option `linker-features` - a list of enabled (`+` prefix) and disabled (`-` prefix) features: `lld` was expected
 

tests/ui/linking/linker-features-malformed.rs

@@ -1,27 +1,27 @@
-//! Check that malformed `-Zlinker-features` flags are properly rejected.
+//! Check that malformed `-Clinker-features` flags are properly rejected.
 
 //@ revisions: no_value
-//@[no_value] compile-flags: -Zlinker-features=
-//[no_value]~? ERROR incorrect value `` for unstable option `linker-features`
+//@[no_value] compile-flags: -Clinker-features=
+//[no_value]~? ERROR incorrect value `` for codegen option `linker-features`
 
 //@ revisions: invalid_modifier
-//@[invalid_modifier] compile-flags: -Zlinker-features=*lld
-//[invalid_modifier]~? ERROR incorrect value `*lld` for unstable option `linker-features`
+//@[invalid_modifier] compile-flags: -Clinker-features=*lld
+//[invalid_modifier]~? ERROR incorrect value `*lld` for codegen option `linker-features`
 
 //@ revisions: unknown_value
-//@[unknown_value] compile-flags: -Zlinker-features=unknown
-//[unknown_value]~? ERROR incorrect value `unknown` for unstable option `linker-features`
+//@[unknown_value] compile-flags: -Clinker-features=unknown
+//[unknown_value]~? ERROR incorrect value `unknown` for codegen option `linker-features`
 
 //@ revisions: unknown_modifier_value
-//@[unknown_modifier_value] compile-flags: -Zlinker-features=-unknown
-//[unknown_modifier_value]~? ERROR incorrect value `-unknown` for unstable option `linker-features`
+//@[unknown_modifier_value] compile-flags: -Clinker-features=-unknown
+//[unknown_modifier_value]~? ERROR incorrect value `-unknown` for codegen option `linker-features`
 
 //@ revisions: unknown_boolean
-//@[unknown_boolean] compile-flags: -Zlinker-features=maybe
-//[unknown_boolean]~? ERROR incorrect value `maybe` for unstable option `linker-features`
+//@[unknown_boolean] compile-flags: -Clinker-features=maybe
+//[unknown_boolean]~? ERROR incorrect value `maybe` for codegen option `linker-features`
 
 //@ revisions: invalid_separator
-//@[invalid_separator] compile-flags: -Zlinker-features=-lld@+lld
-//[invalid_separator]~? ERROR incorrect value `-lld@+lld` for unstable option `linker-features`
+//@[invalid_separator] compile-flags: -Clinker-features=-lld@+lld
+//[invalid_separator]~? ERROR incorrect value `-lld@+lld` for codegen option `linker-features`
 
 fn main() {}

tests/ui/linking/linker-features-malformed.unknown_boolean.stderr

@@ -1,2 +1,2 @@
-error: incorrect value `maybe` for unstable option `linker-features` - a list of enabled (`+` prefix) and disabled (`-` prefix) features: `lld` was expected
+error: incorrect value `maybe` for codegen option `linker-features` - a list of enabled (`+` prefix) and disabled (`-` prefix) features: `lld` was expected
 

tests/ui/linking/linker-features-malformed.unknown_modifier_value.stderr

@@ -1,2 +1,2 @@
-error: incorrect value `-unknown` for unstable option `linker-features` - a list of enabled (`+` prefix) and disabled (`-` prefix) features: `lld` was expected
+error: incorrect value `-unknown` for codegen option `linker-features` - a list of enabled (`+` prefix) and disabled (`-` prefix) features: `lld` was expected
 

tests/ui/linking/linker-features-malformed.unknown_value.stderr

@@ -1,2 +1,2 @@
-error: incorrect value `unknown` for unstable option `linker-features` - a list of enabled (`+` prefix) and disabled (`-` prefix) features: `lld` was expected
+error: incorrect value `unknown` for codegen option `linker-features` - a list of enabled (`+` prefix) and disabled (`-` prefix) features: `lld` was expected