* tree.h (phi_arg_d): Expand a comment in phi_arg_d.

From-SVN: r98813
This commit is contained in:
Kazu Hirata 2005-04-27 01:43:11 +00:00 committed by Kazu Hirata
parent eb3490b96c
commit 5dbc71f878
2 changed files with 7 additions and 1 deletions

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@ -1,3 +1,7 @@
2005-04-27 Kazu Hirata <kazu@cs.umass.edu>
* tree.h (phi_arg_d): Expand a comment in phi_arg_d.
2005-04-27 Joseph S. Myers <joseph@codesourcery.com>
PR c/21213

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@ -1424,7 +1424,9 @@ struct edge_def;
struct phi_arg_d GTY(())
{
struct ssa_imm_use_d imm_use; /* imm_use MUST be first element in struct. */
/* imm_use MUST be the first element in struct because we do some
pointer arithmetic with it. See phi_arg_index_from_use. */
struct ssa_imm_use_d imm_use;
tree def;
bool nonzero;
};