Merge branch 'devel' into sighashes

tests/errmsgs/tdont_show_system.nim

@@ -0,0 +1,13 @@
+discard """
+  errormsg: "value of type 'bool' has to be discarded"
+  line: 13
+  file: "tdont_show_system.nim"
+"""
+
+# bug #4308
+
+#proc getGameTile: int =
+#  1 > 0
+
+# bug #4905  subsumes the problem of #4308:
+true notin {false}

tests/errmsgs/tproper_stacktrace.nim

@@ -0,0 +1,11 @@
+discard """
+  outputsub: '''tproper_stacktrace.nim(7) tproper_stacktrace'''
+  exitcode: 1
+"""
+
+template fuzzy(x) =
+  echo x[] != 9
+
+var p: ptr int
+fuzzy p
+

tests/misc/tnot.nim

@@ -1,6 +1,6 @@
 discard """
-  tfile: "tnot.nim"
-  tline: 14
+  file: "tnot.nim"
+  line: 14
   errormsg: "type mismatch"
 """
 # BUG: following compiles, but should not:

tests/system/tdeepcopy.nim

@@ -1,6 +1,5 @@
 discard """
   output: "ok"
-  disabled: "true"
 """
 
 import tables, lists

tests/system/trealloc.nim

@@ -0,0 +1,21 @@
+discard """
+  output: '''success'''
+"""
+
+# bug #4818
+
+# Test that this completes without OOM.
+
+const BUFFER_SIZE = 5000
+var buffer = cast[ptr uint16](alloc(BUFFER_SIZE))
+
+var total_size: int64 = 0
+for i in 0 .. 4000:
+    let size = BUFFER_SIZE * i
+    #echo "requesting ", size
+    total_size += size.int64
+    buffer = cast[ptr uint16](realloc(buffer, size))
+    #echo totalSize, " total: ", getTotalMem(), " occupied: ", getOccupiedMem(), " free: ", getFreeMem()
+
+dealloc(buffer)
+echo "success"