new feature: --staticBoundChecks:on to enforce static array index checking (#10965)

tests/arc/timportedobj.nim

@@ -1,14 +1,14 @@
-discard """
-  cmd: "nim c --gc:arc $file"
-  action: "compile"
-"""
-
-# bug #13269
-
-import posix
-proc foo*() =
-  var last = newSeq[Stat]()
-  var next = last
-  for i in 0..3:
-    last = next
-foo()
+discard """
+  cmd: "nim c --gc:arc $file"
+  action: "compile"
+"""
+
+# bug #13269
+
+import posix
+proc foo*() =
+  var last = newSeq[Stat]()
+  var next = last
+  for i in 0..3:
+    last = next
+foo()

tests/notnil/tnotnil4.nim

@@ -10,8 +10,9 @@ proc check(a: TObj not nil) =
 proc doit() =
    var x : array[0..1, TObj]
 
-   if x[0] != nil:
-      check(x[0])
+   let y = x[0]
+   if y != nil:
+      check(y)
 
 doit()
 

tests/parallel/tinvalid_array_bounds.nim

@@ -1,6 +1,6 @@
 discard """
-  errormsg: "can prove: i + 1 > 30"
-  line: 21
+  errormsg: "cannot prove (i)..(i) disjoint from (i + 1)..(i + 1)"
+  line: 20
 """
 
 import threadpool

tests/parallel/tuseafterdef.nim

@@ -1,6 +1,7 @@
 discard """
   errormsg: "(k)..(k) not disjoint from (k)..(k)"
   line: 23
+  action: compile
 """
 
 # bug #1597

tests/tools/second.nim

@@ -1,3 +1,3 @@
-import tables
-
-let dataEx* = {1: 2, 3: 4}.toTable
+import tables
+
+let dataEx* = {1: 2, 3: 4}.toTable