080000b0 <stm32::lang_start>:
   80000b0:       b580            push    {r7, lr}
   80000b2:       af00            add     r7, sp, #0
+  80000b4:       4780            blx     r0
   80000b6:       4803            ldr     r0, [pc, #12]   ; (80000c4 <stm32::lang_start+0x14>)
   80000b8:       4903            ldr     r1, [pc, #12]   ; (80000c8 <stm32::lang_start+0x18>)
   80000ba:       f7ff ffb5       bl      8000028 <core::ptr::write_volatile>
   80000be:       4803            ldr     r0, [pc, #12]   ; (80000cc <stm32::lang_start+0x1c>)
   80000c0:       f000 f806       bl      80000d0 <core::panicking::panic>
   80000c4:       e000ed0c        .word   0xe000ed0c
   80000c8:       05fa0004        .word   0x05fa0004
   80000cc:       080001c8        .word   0x080001c8