[Bug target/69330] New: avr-gcc Error: operand out of range: 32

[karaliusliudas+bugzilla at gmail dot com]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=69330

            Bug ID: 69330
           Summary: avr-gcc Error: operand out of range: 32
           Product: gcc
           Version: 5.3.0
            Status: UNCONFIRMED
          Severity: normal
          Priority: P3
         Component: target
          Assignee: unassigned at gcc dot gnu.org
          Reporter: karaliusliudas+bugzilla at gmail dot com
  Target Milestone: ---

avr-gcc (GCC) 5.3.0 on command
avr-gcc -Os -save-temps -v -mmcu=attiny44  -c main.c -o main.o
produce error:
GNU assembler version 2.25.1 (avr) using BFD version (GNU Binutils) 2.25.1
main.s: Assembler messages:
main.s:15: Error: operand out of range: 32

main.c content:
int main (void) {
        *(volatile unsigned char *)(0x40) &= 0b11111110;
}

NOTE: no error if 0x40 substituted with 0x3f or 0x41
NOTE: no error if optimisation is not used ( -O0)