--- ./src/core/SkVM.cpp.sav	2020-04-06 12:42:22.976205876 +0200
+++ ./src/core/SkVM.cpp	2020-04-06 12:50:57.465941063 +0200
@@ -1162,7 +1162,7 @@ namespace skvm {
         // Map min channel to 0, max channel to s, and scale the middle proportionally.
         auto scale = [&](auto c) {
             // TODO: better to divide and check for non-finite result?
-            return select(sat == 0.0f, 0.0f
+            return select(eq_op(0.0f, sat), 0.0f
                                      , ((c - mn) * s) / sat);
         };
         *r = scale(*r);
--- ./src/core/SkVM.h.sav	2020-04-06 12:08:50.833128845 +0200
+++ ./src/core/SkVM.h	2020-04-06 12:51:13.369987701 +0200
@@ -875,6 +875,7 @@ namespace skvm {
 
     static inline I32 operator==(F32   x, F32a y) { return x->eq(x,y); }
     static inline I32 operator==(float x, F32  y) { return y->eq(x,y); }
+    static inline I32 eq_op(float x, F32  y) { return y->eq(x,y); }
 
     static inline I32 operator!=(F32   x, F32a y) { return x->neq(x,y); }
     static inline I32 operator!=(float x, F32  y) { return y->neq(x,y); }