BUG: You may receive a "fatal error C1001: INTERNAL COMPILER ERROR" error message when template classes or template class header files are included in a precompiled header file (195738)

The information in this article applies to:

Microsoft Visual C++, 32-bit Enterprise Edition 6.0
Microsoft Visual C++, 32-bit Professional Edition 6.0
Microsoft Visual C++, 32-bit Learning Edition 6.0

This article was previously published under Q195738

SYMPTOMS

When template classes or template class header files are included in a precompiled header file, the compiler may generate the following error for files that use the precompiled header:

fatal error C1001: INTERNAL COMPILER ERROR
(compiler file 'msc1.cpp', line 1786)

-or-

fatal error C1001: INTERNAL COMPILER ERROR
(compiler file 'msc1.cpp', line 1188)

This error occurs only on machines with the Windows 95 or Windows 98 operating system.

CAUSE

The compiler exceeds the allocated memory limit.

RESOLUTION

Use one of the following three suggested workarounds:

Use compiler switch /Zm#nn to increase the compiler's heap memory allocation limit. The default value of #nn is 100 and the maximum value is 2000. Manually add this switch in Developer Studio: under the Project menu, click Setting, the click C/C++, then Project Options. Usually, a value of 1000 works.

NOTE: You may need to increase the system virtual memory to accommodate the increased #nn for /Zm.
Remove the template class header files from the precompiled header file.
Use "Automatic use of precompiled headers" (/YX switch), or, "Not using precompiled header."

STATUS

Microsoft has confirmed that this is a bug in the Microsoft products that are listed in the "Applies to" section.

This problem was corrected in Microsoft Visual C++ .NET.

Modification Type:	Major	Last Reviewed:	5/26/2005
Keywords:	kbBug kbCompiler kbfix kbLangCPP kbNoUpdate KB195738 kbAudDeveloper