nimpretty: fixes #8078

(cherry picked from commit 3ee53a7c8e)

compiler/lexer.nim

@@ -1100,7 +1100,7 @@ proc skip(L: var TLexer, tok: var TToken) =
           break
       tok.strongSpaceA = 0
       when defined(nimpretty):
-        if buf[pos] == '#': commentIndent = indent
+        if buf[pos] == '#' and tok.line < 0: commentIndent = indent
       if buf[pos] > ' ' and (buf[pos] != '#' or buf[pos+1] == '#'):
         tok.indent = indent
         L.currLineIndent = indent

nimpretty/tests/expected/simple.nim

@@ -3,3 +3,11 @@ var x: int = 2
 
 echo x
 # bug #9144
+
+proc a() =
+  while true:
+    discard
+    # comment 1
+
+  # comment 2
+  discard

nimpretty/tests/simple.nim

@@ -3,3 +3,11 @@ var x: int = 2
 
 echo x
 # bug #9144
+
+proc a() =
+  while true:
+    discard
+    # comment 1
+
+  # comment 2
+  discard