liblink: fix precedence bug in pcdata comparison

As written, the ! applies before the &1.
This would crash writing out missing pcdata tables
if we ever used non-contiguous IDs in a function.
We don't, but fix anyway.

LGTM=iant, minux
R=minux, iant
CC=golang-codereviews
https://golang.org/cl/117810047

diff --git a/src/liblink/pcln.c b/src/liblink/pcln.c
index 4b2b85543e01465f511188796dfc39df4df8355b..f0ee1dc6726c9cdc5adcdd1a61b039c667576b44 100644 (file)
--- a/src/liblink/pcln.c
+++ b/src/liblink/pcln.c
@@ -279,7 +279,7 @@ linkpcln(Link *ctxt, LSym *cursym)
        }
        // pcdata.
        for(i=0; i<npcdata; i++) {
-               if(!(havepc[i/32]>>(i%32))&1) 
+               if(((havepc[i/32]>>(i%32))&1) == 0) 
                        continue;
                funcpctab(ctxt, &pcln->pcdata[i], cursym, "pctopcdata", pctopcdata, (void*)(uintptr)i);
        }