[avr-gcc-list] Bug: strlen inline expansion incorrect with -O3

[Peter Fleury]

The following code returns wrong string len when
compiled  with -O3, but correct result with -O2.

avr-gcc -c -g -O3 -mmcu=at90s8515 test.c -o test.o

Can anybody reproduce this ?

Peter Fleury

------------ test.c ----------
#include <io.h>
#include <string.h>

int main(void)
{
size_t len;
char buffer[32];

outp(0xff, DDRB);
outp(0xff, PORTB);

strcpy(buffer,"12345");
len = strlen(buffer);  // returns wrong length
outp(len,PORTB);

for(;;);
}
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