diff options
| -rw-r--r-- | src/cmd/gopack/ar.c | 13 |
1 files changed, 10 insertions, 3 deletions
diff --git a/src/cmd/gopack/ar.c b/src/cmd/gopack/ar.c index d8f2d4800..dfe202492 100644 --- a/src/cmd/gopack/ar.c +++ b/src/cmd/gopack/ar.c @@ -784,9 +784,16 @@ hashstr(char *name) h = 0; for(cp = name; *cp; h += *cp++) h *= 1119; - if(h < 0) - h = ~h; - return h; + + // the code used to say + // if(h < 0) + // h = ~h; + // but on gcc 4.3 with -O2 on some systems, + // the if(h < 0) gets compiled away as not possible. + // use a mask instead, leaving plenty of bits but + // definitely not the sign bit. + + return h & 0xfffffff; } int |