{
int was_used = TREE_USED (decl);
+ /* If this is a CONST_DECL, we don't have to generate any code, but
+ if DECL_INITIAL is a constant, call expand_expr to force TREE_CST_RTL
+ to be set while in the obstack containing the constant. If we don't
+ do this, we can lose if we have functions nested three deep and the middle
+ function makes a CONST_DECL whose DECL_INITIAL is a STRING_CST while
+ the innermost function is the first to expand that STRING_CST. */
+ if (TREE_CODE (decl) == CONST_DECL)
+ {
+ if (DECL_INITIAL (decl) && TREE_CONSTANT (DECL_INITIAL (decl)))
+ expand_expr (DECL_INITIAL (decl), NULL_RTX, VOIDmode,
+ EXPAND_INITIALIZER);
+ return;
+ }
+
if (TREE_STATIC (decl))
return;