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| author | Craig Burley <burley@gnu.org> | 1998-07-13 18:21:01 -0400 |
|---|---|---|
| committer | Jeff Law <law@gcc.gnu.org> | 1998-07-13 16:21:01 -0600 |
| commit | b941bcbc1f5763e3c3576a50769c6ec65445e93c (patch) | |
| tree | 5a1398b365e1740997e0cab18314535670df1190 | |
| parent | 48e87cefabed243b5bcef37854ca016321de9ff0 (diff) | |
| download | gcc-b941bcbc1f5763e3c3576a50769c6ec65445e93c.zip gcc-b941bcbc1f5763e3c3576a50769c6ec65445e93c.tar.gz gcc-b941bcbc1f5763e3c3576a50769c6ec65445e93c.tar.bz2 | |
stmt.c (expand_expr_stmt): If not assigning fresh value to last_expr_value...
* stmt.c (expand_expr_stmt): If not assigning fresh
value to last_expr_value, zero it, so old garbage
doesn't get dereferenced.
From-SVN: r21116
| -rw-r--r-- | gcc/ChangeLog | 6 | ||||
| -rw-r--r-- | gcc/stmt.c | 4 |
2 files changed, 9 insertions, 1 deletions
diff --git a/gcc/ChangeLog b/gcc/ChangeLog index 6c55abf..2d78aac 100644 --- a/gcc/ChangeLog +++ b/gcc/ChangeLog @@ -1,3 +1,9 @@ +Mon Jul 13 23:18:39 1998 Craig Burley <burley@gnu.org> + + * stmt.c (expand_expr_stmt): If not assigning fresh + value to last_expr_value, zero it, so old garbage + doesn't get dereferenced. + Mon Jul 13 23:06:55 1998 Henning.Petersen@t-online.de (Henning Petersen) * gcse.c (hash_scan_insn): Add missing argument declaration. @@ -1533,7 +1533,9 @@ expand_expr_stmt (exp) exp = build1 (ADDR_EXPR, build_pointer_type (TREE_TYPE (exp)), exp); last_expr_type = TREE_TYPE (exp); - if (! flag_syntax_only || expr_stmts_for_value) + if (flag_syntax_only && ! expr_stmts_for_value) + last_expr_value = 0; + else last_expr_value = expand_expr (exp, (expr_stmts_for_value ? NULL_RTX : const0_rtx), |