diff options
Diffstat (limited to 'gcc/expr.c')
| -rw-r--r-- | gcc/expr.c | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/gcc/expr.c b/gcc/expr.c index 1cfb4538a2e..8db37e00562 100644 --- a/gcc/expr.c +++ b/gcc/expr.c @@ -6861,7 +6861,9 @@ expand_expr (exp, target, tmode, modifier) if (TREE_CODE (lhs) != VAR_DECL && TREE_CODE (lhs) != RESULT_DECL - && TREE_CODE (lhs) != PARM_DECL) + && TREE_CODE (lhs) != PARM_DECL + && ! (TREE_CODE (lhs) == INDIRECT_REF + && TYPE_READONLY (TREE_TYPE (TREE_OPERAND (lhs, 0))))) preexpand_calls (exp); /* Check for |= or &= of a bitfield of size one into another bitfield |