fix a use of isbitstype in new optimizer (#26887)

JuliaLang · Apr 24, 2018 · ef9168a · ef9168a · nanosoldier · Apr 24, 2018
1 parent c0a278c
commit ef9168a
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/base/compiler/ssair/passes.jl b/base/compiler/ssair/passes.jl
@@ -189,7 +189,7 @@ is_tuple_call(ir, def) = isa(def, Expr) && is_known_call(def, tuple, ir, ir.mod)
 
 function process_immutable_preserve(new_preserves::Vector{Any}, compact::IncrementalCompact, def::Expr)
  for arg in (isexpr(def, :new) ? def.args : def.args[2:end])
- if !isbitstype(compact_exprtype(compact, arg))
+ if !isbitstype(widenconst(compact_exprtype(compact, arg)))
  push!(new_preserves, arg)
  end
  end