commit cd11107bb44ac719709e10264e9e6ba6a1cfae0c
author Behdad Esfahbod <behdad@behdad.org> Fri Feb 16 18:28:58 2018 -0800
committer Behdad Esfahbod <behdad@behdad.org> Fri Feb 16 18:28:58 2018 -0800
tree 10c92e24de2c650df8a307a7b627043e7627f435
parent 4e517ecb6b7c27d4053a6476bb9262858e2567ed

Another bitops fallback fix

I'm confident that all bugs are hashed out now.

src/hb-private.hh

diff --git a/src/hb-private.hh b/src/hb-private.hh
index 8461f64..583b561 100644
--- a/src/hb-private.hh
+++ b/src/hb-private.hh
@@ -474,7 +474,7 @@
   {
     /* "bithacks" */
     unsigned int c = 32;
-    v &= -signed(v);
+    v &= - (int32_t) v;
     if (v) c--;
     if (v & 0x0000FFFF) c -= 16;
     if (v & 0x00FF00FF) c -= 8;
@@ -487,7 +487,7 @@
   {
     /* "bithacks" */
     unsigned int c = 64;
-    v &= -signed(v);
+    v &= - (int64_t) (v);
     if (v) c--;
     if (v & 0x00000000FFFFFFFF) c -= 32;
     if (v & 0x0000FFFF0000FFFF) c -= 16;