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| author | Tom Tromey <tromey@redhat.com> | 2002-06-11 22:36:53 +0000 |
|---|---|---|
| committer | Tom Tromey <tromey@gcc.gnu.org> | 2002-06-11 22:36:53 +0000 |
| commit | 0797e4720f4fa94605f883a60027956600f92908 (patch) | |
| tree | 0d829e307efe5f946ec619567dc41cdde4a40996 /gcc/fold-const.c | |
| parent | f288d4aa2c9dad621c6e5aed392b2a9fd0bda958 (diff) | |
| download | gcc-0797e4720f4fa94605f883a60027956600f92908.zip gcc-0797e4720f4fa94605f883a60027956600f92908.tar.gz gcc-0797e4720f4fa94605f883a60027956600f92908.tar.bz2 | |
For PR java/6520:
* fold-const.c (fold_convert): Don't modify existing tree's type.
From-SVN: r54529
Diffstat (limited to 'gcc/fold-const.c')
| -rw-r--r-- | gcc/fold-const.c | 6 |
1 files changed, 4 insertions, 2 deletions
diff --git a/gcc/fold-const.c b/gcc/fold-const.c index db41564..1c29ad5 100644 --- a/gcc/fold-const.c +++ b/gcc/fold-const.c @@ -1596,8 +1596,10 @@ fold_convert (t, arg1) { if (REAL_VALUE_ISNAN (TREE_REAL_CST (arg1))) { - t = arg1; - TREE_TYPE (arg1) = type; + /* We make a copy of ARG1 so that we don't modify an + existing constant tree. */ + t = copy_node (arg1); + TREE_TYPE (t) = type; return t; } |