compiler-error-c3204.md

description	title	ms.date	f1_keywords	helpviewer_keywords	ms.assetid
Learn more about: Compiler Error C3204	Compiler Error C3204	11/04/2016	C3204	C3204	06e578da-0262-48c8-b2ae-be1cd6d28884

Compiler Error C3204

'_alloca' cannot be called from within a catch block

This error occurs when you use a call to _alloca from within a catch block.

Example

The following sample generates C3204:

// C3204.cpp
// compile with: /EHsc
#include <malloc.h>

void ShowError(void)
{
   try
   {
   }
   catch(...)
   {
      _alloca(1);   // C3204
   }
}