From @masak

<masak> rakudo​: sub foo(Bool :$x) {}; foo(​:x)
<p6eval> rakudo 2953ac​: OUTPUT«Parameter type check failed; expected
Bool, but got Int for $x in call to foo
* masak submits rakudobug

This should work, because according to S02, :x is short for x => True.

From @bbkr

On Kiev build

$ perl6 -e 'sub foo(Bool :$x) { say "works!"}; foo(​:x)'
works!

Taken for testing

The RT System itself - Status changed from 'new' to 'open'

From @bbkr

rechecked on * release, also works.
tests in t/spec/S06-signature/defaults.t

@bbkr - Status changed from 'open' to 'resolved'

From @kyleha

This is an automatically generated mail to inform you that tests are now available in t/spec/S06-signature/defaults.t

commit cef0417fff18aebc1c6e25c16549e78fe0773aa4
Author​: bbkr <bbkr@​c213334d-75ef-0310-aa23-eaa082d1ae64>
Date​: Fri Jul 30 17​:37​:14 2010 +0000

  [t/spec] tests for RT #​69200 Param typed with Bool doesnt accept :foo-type argument in Rakudo
 
  git-svn-id​: http://svn.pugscode.org/pugs@&#8203;31875 c213334d-75ef-0310-aa23-eaa082d1ae64

diff --git a/t/spec/S06-signature/defaults.t b/t/spec/S06-signature/defaults.t
index d83d80c..5bd88a5 100644
--- a/t/spec/S06-signature/defaults.t
+++ b/t/spec/S06-signature/defaults.t
@@ -10,7 +10,7 @@ Tests assigning default values to variables of type code in sub definitions.
 
 # L<S06/Optional parameters/Default values can be calculated at run-time>
 
-plan 4;
+plan 5;
 
 sub doubler($x) { return 2 * $x }
 
@@ -41,4 +41,10 @@ ok((MyPack::val_v), "default sub called in package namespace");
     is default_with_list(), 1, 'can have a parcel literal as default value';
 }
 
+# RT #69200
+{
+    sub rt69200(Bool :$x) { $x };
+    is rt69200(:x), True, '":x" is the same as "x => True" in sub call';
+}
+
 # vim: ft=perl6