trees.nim: compare floating points by their bitpatterns because NaN comparisions are always false (WORST design in the history of computing!)

1 files changed, 1 insertions, 1 deletions

diff --git a/compiler/trees.nim b/compiler/trees.nim
index 3b715053e..8c89ccca9 100644
--- a/compiler/trees.nim
+++ b/compiler/trees.nim
@@ -39,7 +39,7 @@ proc exprStructuralEquivalent*(a, b: PNode; strictSymEquality=false): bool =
         result = a.sym.name.id == b.sym.name.id
     of nkIdent: result = a.ident.id == b.ident.id
     of nkCharLit..nkUInt64Lit: result = a.intVal == b.intVal
-    of nkFloatLit..nkFloat64Lit: result = a.floatVal == b.floatVal
+    of nkFloatLit..nkFloat64Lit: result = cast[uint64](a.floatVal) == cast[uint64](b.floatVal)
     of nkStrLit..nkTripleStrLit: result = a.strVal == b.strVal
     of nkCommentStmt: result = a.comment == b.comment
     of nkEmpty, nkNilLit, nkType: result = true