diff options
| -rw-r--r-- | inline.c | 16 |
1 files changed, 12 insertions, 4 deletions
@@ -102,8 +102,7 @@ static struct expression * copy_expression(struct expression *expr) case EXPR_BINOP: case EXPR_COMMA: case EXPR_COMPARE: - case EXPR_LOGICAL: - case EXPR_ASSIGNMENT: { + case EXPR_LOGICAL: { struct expression *left = copy_expression(expr->left); struct expression *right = copy_expression(expr->right); if (left == expr->left && right == expr->right) @@ -114,11 +113,20 @@ static struct expression * copy_expression(struct expression *expr) break; } + case EXPR_ASSIGNMENT: { + struct expression *left = copy_expression(expr->left); + struct expression *right = copy_expression(expr->right); + if (expr->op == '=' && left == expr->left && right == expr->right) + break; + expr = dup_expression(expr); + expr->left = left; + expr->right = right; + break; + } + /* Dereference */ case EXPR_DEREF: { struct expression *deref = copy_expression(expr->deref); - if (deref == expr->deref) - break; expr = dup_expression(expr); expr->deref = deref; break; |