diff options
Diffstat (limited to 'gcc/c-family')
| -rw-r--r-- | gcc/c-family/ChangeLog | 14 | ||||
| -rw-r--r-- | gcc/c-family/c-gimplify.c | 4 |
2 files changed, 17 insertions, 1 deletions
diff --git a/gcc/c-family/ChangeLog b/gcc/c-family/ChangeLog index 7a83a0a9062..962f62844a3 100644 --- a/gcc/c-family/ChangeLog +++ b/gcc/c-family/ChangeLog @@ -1,3 +1,17 @@ +2018-04-26 Richard Biener <rguenther@suse.de> + + Backport from mainline + 2018-03-16 Richard Biener <rguenther@suse.de> + + PR c/84873 + * c-gimplify.c (c_gimplify_expr): Revert previous change. Instead + unshare the possibly folded expression. + + 2018-03-15 Richard Biener <rguenther@suse.de> + + PR c/84873 + * c-gimplify.c (c_gimplify_expr): Do not fold expressions. + 2018-03-03 Jakub Jelinek <jakub@redhat.com> Backported from mainline diff --git a/gcc/c-family/c-gimplify.c b/gcc/c-family/c-gimplify.c index 57edb41af0f..deecb1a3e4a 100644 --- a/gcc/c-family/c-gimplify.c +++ b/gcc/c-family/c-gimplify.c @@ -244,7 +244,9 @@ c_gimplify_expr (tree *expr_p, gimple_seq *pre_p ATTRIBUTE_UNUSED, unsigned_type_node) && !types_compatible_p (TYPE_MAIN_VARIANT (TREE_TYPE (*op1_p)), integer_type_node)) - *op1_p = convert (unsigned_type_node, *op1_p); + /* Make sure to unshare the result, tree sharing is invalid + during gimplification. */ + *op1_p = unshare_expr (convert (unsigned_type_node, *op1_p)); break; } |