reduce ambiguities (#1072)

Author: hyrodium

test/FieldMatrix.jl

@@ -98,6 +98,9 @@
         eval(quote
             struct TupleField2 <: FieldMatrix{1, 1, NTuple{2, Int}}
                 x::NTuple{2, Int}
+                function TupleField2(x::NTuple{2,Int})
+                    new(x)
+                end
             end
         end)
 

test/FieldVector.jl

@@ -103,6 +103,9 @@
         eval(quote
             struct TupleField <: FieldVector{1, NTuple{2, Int}}
                 x::NTuple{2, Int}
+                function TupleField(x::NTuple{2,Int})
+                    new(x)
+                end
             end
         end)
 

test/ambiguities.jl

@@ -1,7 +1,7 @@
 # Allow no new ambiguities (see #18), unless you fix some old ones first!
 
-const allowable_ambiguities = VERSION ≥ v"1.7" ? 10 :
-                              VERSION ≥ v"1.6" ? 11 : error("version must be ≥1.6")
+const allowable_ambiguities = VERSION ≥ v"1.7" ? 0 :
+                              VERSION ≥ v"1.6" ? 1 : error("version must be ≥1.6")
 
 # TODO: Revisit and fix. See
 #   https://github.com/JuliaLang/julia/pull/36962