/* { dg-do compile } */ /* { dg-options "-O2" } */ typedef struct { char a:1; char b:7; int c; } BitStruct; volatile BitStruct bits; int foo () { return bits.b; } /* { dg-final { scan-assembler "ldrb\[\\t \]+\[^\n\]*,\[\\t \]*\\\[\[^\n\]*\\\]" } } */