fix several bugs with repr (#13386)

tests/errmsgs/t8434.nim

@@ -1,8 +1,7 @@
 discard """
   errormsg: "type mismatch: got <byte, int literal(0)>"
   nimout: '''but expected one of:
-proc fun0[T1: int | float |
-    object | array | seq](a1: T1; a2: int)
+proc fun0[T1: int | float | object | array | seq](a1: T1; a2: int)
   first type mismatch at position: 1
   required type for a1: T1: int or float or object or array or seq[T]
   but expression 'byte(1)' is of type: byte

tests/macros/tdumpast.nim

@@ -31,3 +31,20 @@ dumpAST:
 
   proc sub(x, y: int): int = return x - y
 
+macro fun() =
+  let n = quote do:
+    1+1 == 2
+  doAssert n.repr == "1 + 1 == 2", n.repr
+fun()
+
+macro fun2(): untyped =
+  let n = quote do:
+    1 + 2 * 3 == 1 + 6
+  doAssert n.repr == "1 + 2 * 3 == 1 + 6", n.repr
+fun2()
+
+macro fun3(): untyped =
+  let n = quote do:
+    int | float | array | seq | object | ptr | pointer | float32
+  doAssert n.repr == "int | float | array | seq | object | ptr | pointer | float32", n.repr
+fun3()

tests/stdlib/tunittesttemplate.nim

@@ -1,13 +1,13 @@
 discard """
   exitcode: 1
   outputsub: '''
-    tunittesttemplate.nim(20, 12): Check failed: a.b ==
-    2
+    tunittesttemplate.nim(20, 12): Check failed: a.b == 2
     a.b was 0
   [FAILED] 1
 '''
 """
 
+
 # bug #6736
 
 import unittest