set mode of gcc_builtin_va_arg symbol; partially addresses issue diffblue#2663

Daniel Kroening · polgreen · commit bd3c5ae85b8e · 2018-08-22T14:58:12.000Z
diff --git a/src/ansi-c/c_typecheck_expr.cpp b/src/ansi-c/c_typecheck_expr.cpp
@@ -486,6 +486,7 @@ void c_typecheck_baset::typecheck_expr_builtin_va_arg(exprt &expr)
   symbol.base_name=ID_gcc_builtin_va_arg;
   symbol.name=ID_gcc_builtin_va_arg;
   symbol.type=symbol_type;
+  symbol.mode = ID_C;
 
   symbol_table.insert(std::move(symbol));
 }

Original file line number	Diff line number	Diff line change
`@@ -486,6 +486,7 @@ void c_typecheck_baset::typecheck_expr_builtin_va_arg(exprt &expr)`
`486`	`486`	`symbol.base_name=ID_gcc_builtin_va_arg;`
`487`	`487`	`symbol.name=ID_gcc_builtin_va_arg;`
`488`	`488`	`symbol.type=symbol_type;`
	`489`	`+ symbol.mode = ID_C;`
`489`	`490`
`490`	`491`	`symbol_table.insert(std::move(symbol));`
`491`	`492`	`}`