[cfe-commits] [patch] Falling off main() returns zero

[Fariborz Jahanian]

Code gen. Should not enforce language rules. This need to go into AST  
build.

- Fariborz

On Jul 27, 2009, at 12:07 PM, John McCall wrote:

> This patch implements the C/C++ requirement that falling off main  
> returns zero.  The easiest way to do this is to simply initialize  
> the return-value alloca to zero at the start of the function.
>
> This is a pretty obvious patch, but this is my first foray into  
> codegen, so maybe I'm doing this horridly wrong.
>
> John.
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