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Carl Shapiro
cmucl
Commits
5a9b8108
Commit
5a9b8108
authored
34 years ago
by
ram
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Fixed CONSTRAIN-REF-TYPE to not lose when we substitute one variable for
another due to an EQL constraint.
parent
a2e1bb34
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compiler/constraint.lisp
+2
-2
2 additions, 2 deletions
compiler/constraint.lisp
with
2 additions
and
2 deletions
compiler/constraint.lisp
+
2
−
2
View file @
5a9b8108
...
@@ -313,12 +313,12 @@
...
@@ -313,12 +313,12 @@
(
let
((
var-cons
(
copy-sset
constraints
)))
(
let
((
var-cons
(
copy-sset
constraints
)))
(
sset-intersection
var-cons
in
)
(
sset-intersection
var-cons
in
)
(
let
((
res
(
single-value-type
(
node-derived-type
ref
)))
(
let
((
res
(
single-value-type
(
node-derived-type
ref
)))
(
not-res
*empty-type*
))
(
not-res
*empty-type*
)
(
leaf
(
ref-leaf
ref
)))
(
do-elements
(
con
var-cons
)
(
do-elements
(
con
var-cons
)
(
let*
((
x
(
constraint-x
con
))
(
let*
((
x
(
constraint-x
con
))
(
y
(
constraint-y
con
))
(
y
(
constraint-y
con
))
(
not-p
(
constraint-not-p
con
))
(
not-p
(
constraint-not-p
con
))
(
leaf
(
ref-leaf
ref
))
(
other
(
if
(
eq
x
leaf
)
y
x
))
(
other
(
if
(
eq
x
leaf
)
y
x
))
(
kind
(
constraint-kind
con
)))
(
kind
(
constraint-kind
con
)))
(
case
kind
(
case
kind
...
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