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(variable_size): Do nothing if SIZE is constant. 

From-SVN: r9925
This commit is contained in:
Richard Kenner 1995-06-11 13:59:56 -04:00
parent ee3ac81d77
commit 76ffb3a0be
1 changed files with 3 additions and 2 deletions
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5
gcc/stor-layout.c
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@ -80,7 +80,7 @@ get_pending_sizes ()
return chain;
}
/* Given a size SIZE that isn't constant, return a SAVE_EXPR
/* Given a size SIZE that may not be a constant, return a SAVE_EXPR
to serve as the actual size-expression for a type or decl. */
tree
@ -90,7 +90,8 @@ variable_size (size)
/* If the language-processor is to take responsibility for variable-sized
items (e.g., languages which have elaboration procedures like Ada),
just return SIZE unchanged. Likewise for self-referential sizes. */
if (global_bindings_p () < 0 || contains_placeholder_p (size))
if (TREE_CONSTANT (size)
|| global_bindings_p () < 0 || contains_placeholder_p (size))
return size;
size = save_expr (size);