Fixing logical bugs in the presence of let-ins in computiong primitive

projections.

- lift accounting for the record missing in computing the subst from
  fields to projections of the record
- substitution for parameters should not lift the local definitions
- typo in building the latter (subst -> letsubst)

1 files changed, 14 insertions, 1 deletions

diff --git a/test-suite/success/primitiveproj.v b/test-suite/success/primitiveproj.v
index 125615c53..281d707cb 100644
--- a/test-suite/success/primitiveproj.v
+++ b/test-suite/success/primitiveproj.v
@@ -194,4 +194,17 @@ Record wrap (A : Type) := { unwrap : A; unwrap2 : A }.
 Definition term (x : wrap nat) := x.(unwrap).
 Definition term' (x : wrap nat) := let f := (@unwrap2 nat) in f x.
 Recursive Extraction term term'.
-(*Unset Printing Primitive Projection Parameters.*)
\ No newline at end of file
+(*Unset Printing Primitive Projection Parameters.*)
+
+(* Primitive projections in the presence of let-ins (was not failing in beta3)*)
+
+Set Primitive Projections.
+Record s (x:nat) (y:=S x) := {c:=x; d:x=c}.
+Lemma f : 0=1.
+Proof.
+Fail apply d.
+(*
+split.
+reflexivity.
+Qed.
+*)