fix JuliaLang#45162, function arg not specialized if only called with…

… keywords (JuliaLang#45198)
pcjentsch · May 9, 2022 · c62ea26 · c62ea26
1 parent ff45fdc
commit c62ea26
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diff --git a/src/julia-syntax.scm b/src/julia-syntax.scm
@@ -3342,6 +3342,11 @@
  (let ((vi (get tab (cadr e) #f)))
  (if vi
  (vinfo:set-called! vi #t))
+ ;; calls to functions with keyword args go through `kwfunc` first
+ (if (and (length= e 3) (equal? (cadr e) '(core kwfunc)))
+ (let ((vi2 (get tab (caddr e) #f)))
+ (if vi2
+ (vinfo:set-called! vi2 #t))))
  (for-each (lambda (x) (analyze-vars x env captvars sp tab))
  (cdr e))))
  ((decl)

diff --git a/test/syntax.jl b/test/syntax.jl
@@ -3365,3 +3365,7 @@ struct InnerCtorRT{T}
 end
 @test_throws MethodError InnerCtorRT()
 @test InnerCtorRT{Int}()() isa InnerCtorRT{Int}
+
+# issue #45162
+f45162(f) = f(x=1)
+@test first(methods(f45162)).called != 0