Knowledge Base

FIX: Incomplete pragma Directive May Cause C1001 Error

Article ID: 139028

Article Last Modified on 7/5/2005

Microsoft Visual C++ 4.0 Standard Edition
Microsoft Visual C++ 4.1 Subscription
Microsoft Visual C++ 4.2 Enterprise Edition
Microsoft Visual C++ 4.2 Professional Edition
Microsoft Visual C++ 5.0 Enterprise Edition
Microsoft Visual C++ 5.0 Professional Edition

This article was previously published under Q139028

SYMPTOMS

When you use an incomplete #pragma preprocessor directive, the following internal compiler error may be generated:

warning C4081: expected '('; found 'newline'
fatal error C1001: INTERNAL COMPILER ERROR
(compiler file 'msc1.cpp', line 899)
Please choose the Technical Support command on the Visual C++ Help menu, or open the Technical Support help file for more information.

While the code is not valid, the compiler should not generate an internal compiler error. However, the C4081 warning is valid.

RESOLUTION

Use a complete pragma directive. For a listing of valid pragma directives and their syntax, please consult the Help menu.

STATUS

This bug was corrected in Microsoft Visual C++, version 6.0.

MORE INFORMATION

The #pragma directives that cause this problem are:

alloc_text
auto_inline
code_seg
comment
data_seg
function
init_seg
inline_depth
inline_recursion
intrinsic
optimize
pack
pointers_to_members
setlocale
vtordisp
warning

Sample Code to Demonstrate Problem

// Compile Options - none

#pragma comment

// the previous line is incomplete,
// the following line is complete and won't cause the error:
// #pragma comment(lib, "msvcrt.lib")

Additional query words: 10.00 10.10 10.20

Keywords: kbbug kbfix kbvc600fix KB139028