From 9e015feedab20c99b01bf740cb26c478ccf8f223 Mon Sep 17 00:00:00 2001 From: simonpj Date: Fri, 16 Jul 1999 13:34:20 +0000 Subject: [PATCH] [project @ 1999-07-16 13:34:20 by simonpj] Add tc101 --- ghc/tests/typecheck/should_compile/tc101.hs | 15 +++++++++++++++ ghc/tests/typecheck/should_compile/tc101.stderr | 5 +++++ 2 files changed, 20 insertions(+) create mode 100644 ghc/tests/typecheck/should_compile/tc101.hs create mode 100644 ghc/tests/typecheck/should_compile/tc101.stderr diff --git a/ghc/tests/typecheck/should_compile/tc101.hs b/ghc/tests/typecheck/should_compile/tc101.hs new file mode 100644 index 0000000..7ae95d5 --- /dev/null +++ b/ghc/tests/typecheck/should_compile/tc101.hs @@ -0,0 +1,15 @@ +-- !!! Caused ghc-4.04proto to loop! +-- !!! (as reported by Sigbjorn) + +module ShouldCompile where + +-- This made the compiler (4.04 proto) loop (stack overflow) +-- The bug was in TcUnify.uUnboundVar and is documented there. + +type A a = () + +f :: (A a -> a -> ()) -> () +f = \ _ -> () + +x :: () +x = f (\ x p -> p x) diff --git a/ghc/tests/typecheck/should_compile/tc101.stderr b/ghc/tests/typecheck/should_compile/tc101.stderr new file mode 100644 index 0000000..1f2d81b --- /dev/null +++ b/ghc/tests/typecheck/should_compile/tc101.stderr @@ -0,0 +1,5 @@ +ghc: module version changed to 1; reason: no old .hi file +__export ShouldCompile A f x; +1 f :: __forall [a] => (A a -> a -> PrelBase.Z0T) -> PrelBase.Z0T ; +1 type A a = PrelBase.Z0T ; +1 x :: PrelBase.Z0T ; -- 1.7.10.4