Re: Possible bug in plpgsql/src/gram.y

Confirmed.  I found a second problem in the file too, very similar. 
Patch applied.

> In this bit of code in src/pl/plpgsql/src/gram.y in the current CVS
> sources, curname_def is defined as PLpgSQL_expr * but it is is
> allocated the space required for a PLpgSQL_var.  This looks like a
> bug.
> 
> Ian
> 
> 				| decl_varname K_CURSOR decl_cursor_args decl_is_from K_SELECT decl_cursor_query
> 					{
> 						PLpgSQL_var *new;
> 						PLpgSQL_expr *curname_def;
> 						char		buf[1024];
> 						char		*cp1;
> 						char		*cp2;
> 
> 						plpgsql_ns_pop();
> 
> 						new = malloc(sizeof(PLpgSQL_var));
> 						memset(new, 0, sizeof(PLpgSQL_var));
> 
> 						curname_def = malloc(sizeof(PLpgSQL_var));
> 						memset(curname_def, 0, sizeof(PLpgSQL_var));
> 
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