fix #15718, comparing Exprs containing NaNs

JuliaLang · Apr 22, 2016 · 40031f3 · 40031f3
1 parent de6468b
commit 40031f3
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Showing 2 changed files with 6 additions and 2 deletions.
diff --git a/base/expr.jl b/base/expr.jl
@@ -42,8 +42,8 @@ astcopy(x::Union{Slot,Expr}) = copy(x)
 astcopy(x::Array{Any,1}) = Any[astcopy(a) for a in x]
 astcopy(x) = x
 
-==(x::Expr, y::Expr) = x.head === y.head && x.args == y.args
-==(x::QuoteNode, y::QuoteNode) = x.value == y.value
+==(x::Expr, y::Expr) = x.head === y.head && isequal(x.args, y.args)
+==(x::QuoteNode, y::QuoteNode) = isequal(x.value, y.value)
 ==(x::Slot, y::Slot) = x.id === y.id && x.typ === y.typ
 
 expand(x::ANY) = ccall(:jl_expand, Any, (Any,), x)

diff --git a/test/core.jl b/test/core.jl
@@ -3776,3 +3776,7 @@ end
 @m
 end
 @test Macro_Yielding_Global_Assignment.x == 2
+
+# issue #15718
+@test :(f($NaN)) == :(f($NaN))
+@test isequal(:(f($NaN)), :(f($NaN)))