PR# 17077 Adding VSRT(4) to expanded class then removing it generates C code that won't compile

Problem Report Summary
Submitter: prestoat2000
Category: Compiler
Priority: Medium
Date: 2010/08/31
Class: Bug
Severity: Serious
Number: 17077
Release: 6.7.84243
Confidential: No
Status: Open
Responsible:
Environment: Mozilla/5.0 (X11; U; SunOS sun4u; en-US; rv:1.9.0.10) Gecko/2009042715 Firefox/3.0.10 Solaris 10 on SPARC
Synopsis: Adding VSRT(4) to expanded class then removing it generates C code that won't compile

Description
Adding a VSRT(4) error to an expanded root class (by adding formal generics)
then removing the formal generics and freezing generates C code that 
won't compile due to the following errors:

"ty827.c", line 497: incomplete struct/union/enum eif_ex_824: sarg1
"ty827.c", line 498: improper member use: data
"ty827.c", line 509: improper member use: overhead
"ty827.c", line 510: improper member use: overhead
"ty827.c", line 511: improper member use: overhead

Added eweasel test incr394 for this bug.
To Reproduce
Run eweasel test incr394.
Problem Report Interactions