Fix cstring-merging test for arm

Author: bjorn3

tests/assembly/cstring-merging.rs

@@ -4,7 +4,7 @@
 
 use std::ffi::CStr;
 
-// CHECK: .section .rodata.str1.1,"aMS",@progbits,1
+// CHECK: .section .rodata.str1.1,"aMS"
 // CHECK: .Lanon.{{.+}}:
 // CHECK-NEXT: .asciz "foo"
 #[unsafe(no_mangle)]