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| author | jason <jason@138bc75d-0d04-0410-961f-82ee72b054a4> | 2000-03-29 20:40:37 +0000 |
|---|---|---|
| committer | jason <jason@138bc75d-0d04-0410-961f-82ee72b054a4> | 2000-03-29 20:40:37 +0000 |
| commit | cef46d40ab159052bf5542a6699012ec9c954c4c (patch) | |
| tree | b7dfde5673777a9ff6af2467e3188ef73e60c109 | |
| parent | 6d731e4def9f9f9b3cb2d8621092c7655d1b7435 (diff) | |
| download | gcc-cef46d40ab159052bf5542a6699012ec9c954c4c.tar.gz | |
* tree.c (unsave_expr_1): Don't mess with a TARGET_EXPR that hasn't
been expanded.
git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@32814 138bc75d-0d04-0410-961f-82ee72b054a4
| -rw-r--r-- | gcc/ChangeLog | 5 | ||||
| -rw-r--r-- | gcc/tree.c | 7 |
2 files changed, 12 insertions, 0 deletions
diff --git a/gcc/ChangeLog b/gcc/ChangeLog index 428eccbe673..e2c99f8d52d 100644 --- a/gcc/ChangeLog +++ b/gcc/ChangeLog @@ -1,3 +1,8 @@ +2000-03-29 Jason Merrill <jason@casey.cygnus.com> + + * tree.c (unsave_expr_1): Don't mess with a TARGET_EXPR that hasn't + been expanded. + Wed Mar 29 15:39:10 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu> * stor-layout.c (bit_from_pos, byte_from_pos): New functions. diff --git a/gcc/tree.c b/gcc/tree.c index 826327e0ee6..f018e9d86cf 100644 --- a/gcc/tree.c +++ b/gcc/tree.c @@ -2605,6 +2605,13 @@ unsave_expr_1 (expr) break; case TARGET_EXPR: + /* Don't mess with a TARGET_EXPR that hasn't been expanded. + It's OK for this to happen if it was part of a subtree that + isn't immediately expanded, such as operand 2 of another + TARGET_EXPR. */ + if (TREE_OPERAND (expr, 1)) + break; + TREE_OPERAND (expr, 1) = TREE_OPERAND (expr, 3); TREE_OPERAND (expr, 3) = NULL_TREE; break; |