Microsoft KB Archive/34930

= FIX: MASM Generates Stack Overflow on Code with Redefinition =

Article ID: 34930

Article Last Modified on 10/22/2003

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APPLIES TO


 * Microsoft Macro Assembler 5.1 Standard Edition
 * Microsoft Macro Assembler 5.1a

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This article was previously published under Q34930



SYMPTOMS
The example code below causes the Microsoft Macro Assembler (MASM) versions 5.10 and 5.10a to generate the error message,

run-time error R6000

- stack overflow



CAUSE
The redefinition of a symbol. It is defined as an equate and as a macro.



RESOLUTION
The workaround is to remove the redefinition of &quot;xx&quot;. MASM version 6.0 and later correctly generate errors in this situation

A2008: syntax error: macro

A1008: unmatched macro nesting



STATUS
Microsoft has confirmed this to be a problem with MASM versions 5.10 and 5.10a. This problem was corrected in MASM version 6.00.



MORE INFORMATION
The following sample code demonstrates the problem.

Sample Code
; Assemble options needed: none

.model  small .code

xx   EQU

xx   macro NOP endm

xx

END

Additional query words: 5.10 5.10a buglist5.10 buglist5.10a fixlist6.00

Keywords: kbfix KB34930

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