diff --git a/lib/std/io/io_file.c3 b/lib/std/io/io_file.c3
index 9831528fd..881f67a02 100644
--- a/lib/std/io/io_file.c3
+++ b/lib/std/io/io_file.c3
@@ -109,7 +109,7 @@ fn usz! File.read(self, char[] buffer)
  */
 fn usz! File.read_any(self, any ref)
 {
-	return self.read(((char*)ref.ptr)[:ref.type.sizeof]);
+	return self.read(ref.ptr[:ref.type.sizeof]);
 }
 
 /**
@@ -128,7 +128,7 @@ fn usz! File.write(self, char[] buffer)
  */
 fn usz! File.write_any(self, any ref)
 {
-	return self.write(((char*)ref.ptr)[:ref.type.sizeof]);
+	return self.write(ref.ptr[:ref.type.sizeof]);
 }
 
 /**
diff --git a/lib/std/io/io_printf.c3 b/lib/std/io/io_printf.c3
index d1e4949fa..096d99f25 100644
--- a/lib/std/io/io_printf.c3
+++ b/lib/std/io/io_printf.c3
@@ -232,6 +232,7 @@ fn void! Formatter.out_str(&self, any arg) @private
 			{
 				return self.out_substr(*(String*)arg);
 			}
+			if (inner == void.typeid) inner = char.typeid;
 			usz size = inner.sizeof;
 			// Pretend this is a String
 			String* temp = (void*)arg.ptr;
diff --git a/lib/std/io/io_stream.c3 b/lib/std/io/io_stream.c3
index 9109792ca..0204bd4e4 100644
--- a/lib/std/io/io_stream.c3
+++ b/lib/std/io/io_stream.c3
@@ -79,7 +79,7 @@ fn usz! Stream.available(self) @inline
 
 fn usz! Stream.read_any(self, any ref)
 {
-	return self.read(((char*)ref.ptr)[:ref.type.sizeof]);
+	return self.read(ref.ptr[:ref.type.sizeof]);
 }
 
 /**
@@ -89,7 +89,7 @@ fn usz! Stream.read_any(self, any ref)
  */
 fn usz! Stream.write_any(self, any ref)
 {
-	return self.write(((char*)ref.ptr)[:ref.type.sizeof]);
+	return self.write(ref.ptr[:ref.type.sizeof]);
 }
 
 
diff --git a/src/compiler/sema_casts.c b/src/compiler/sema_casts.c
index 38f89695c..f020c57a2 100644
--- a/src/compiler/sema_casts.c
+++ b/src/compiler/sema_casts.c
@@ -474,7 +474,9 @@ static bool array_to_vector(Expr *expr, Type *to_type)
  */
 INLINE bool subarray_to_subarray(Expr *expr, Type *to_type)
 {
-	if (expr_is_const(expr) || type_flatten(type_flatten(to_type)->array.base) == type_flatten(type_flatten(expr->type)->array.base))
+	Type *to_type_base = type_flatten(type_flatten(to_type)->array.base);
+	Type *from_type_base = type_flatten(type_flatten(expr->type)->array.base);
+	if (expr_is_const(expr) || to_type_base == from_type_base || (to_type_base == type_void || from_type_base == type_void))
 	{
 		// Here we assume int[] -> float[] can't happen.
 		expr->type = to_type;
diff --git a/src/compiler/types.c b/src/compiler/types.c
index 72fc9c9ad..70a49569a 100644
--- a/src/compiler/types.c
+++ b/src/compiler/types.c
@@ -1662,6 +1662,10 @@ TypeCmpResult type_array_element_is_equivalent(SemaContext *context, Type *eleme
 		element2 = element2->canonical;
 	}
 	if (element1 == element2) return TYPE_SAME;
+	if ((element1 == type_void && element2 == type_char) || (element1 == type_char && element2 == type_void))
+	{
+		return TYPE_SAME;
+	}
 	switch (element1->type_kind)
 	{
 		case TYPE_POINTER: