[compiler] Update ASCII art frame description in frame.h

... to reflect reversed parameters.

Change-Id: I3a709eb27f0c64f60ca3f5cb5b5fd7a1b8d5faa0
Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/2702337
Auto-Submit: Georg Neis <neis@chromium.org>
Reviewed-by: Victor Gomes <victorgomes@chromium.org>
Commit-Queue: Victor Gomes <victorgomes@chromium.org>
Cr-Commit-Position: refs/heads/master@{#72837}

src/compiler/frame.h

@@ -53,13 +53,13 @@ class CallDescriptor;
 //
 //  slot      JS frame
 //       +-----------------+--------------------------------
-//  -n-1 |   parameter 0   |                            ^
+//  -n-1 |  parameter n    |                            ^
 //       |- - - - - - - - -|                            |
-//  -n   |                 |                          Caller
+//  -n   |  parameter n-1  |                          Caller
 //  ...  |       ...       |                       frame slots
-//  -2   |  parameter n-1  |                       (slot < 0)
+//  -2   |  parameter 1    |                       (slot < 0)
 //       |- - - - - - - - -|                            |
-//  -1   |   parameter n   |                            v
+//  -1   |  parameter 0    |                            v
 //  -----+-----------------+--------------------------------
 //   0   |   return addr   |   ^                        ^
 //       |- - - - - - - - -|   |                        |