These calls to SkRandom are not sequenced.

gm/beziers.cpp

 /*
  * Copyright 2014 Google Inc.
  *
  * Use of this source code is governed by a BSD-style license that can be
  * found in the LICENSE file.
  */
 
 #include "gm.h"
 #include "SkPath.h"
 #include "SkRandom.h"
 
 #define W   400
 #define H   400
 #define N   10
 
 constexpr SkScalar SH = SkIntToScalar(H);
 
 static void rnd_quad(SkPath* p, SkPaint* paint, SkRandom& rand) {
     p->moveTo(rand.nextRangeScalar(0,  W), rand.nextRangeScalar(0,  H));
     for (int x = 0; x < 2; ++x) {
-        p->quadTo(rand.nextRangeScalar(W / 4,  W), rand.nextRangeScalar(0,  H),
-                rand.nextRangeScalar(0,  W), rand.nextRangeScalar(H / 4,  H));
+        auto a = rand.nextRangeScalar(W/4, W),
+             b = rand.nextRangeScalar(  0, H),
+             c = rand.nextRangeScalar(  0, W),
+             d = rand.nextRangeScalar(H/4, H);
+        p->quadTo(a,b,c,d);
     }
     paint->setColor(rand.nextU());
     SkScalar width = rand.nextRangeScalar(1, 5);
     width *= width;
     paint->setStrokeWidth(width);
     paint->setAlpha(0xFF);
 }
 
 static void rnd_cubic(SkPath* p, SkPaint* paint, SkRandom& rand) {
-    p->moveTo(rand.nextRangeScalar(0,  W), rand.nextRangeScalar(0,  H));
+    auto a = rand.nextRangeScalar(0,W),
+         b = rand.nextRangeScalar(0,H);
+    p->moveTo(a,b);
     for (int x = 0; x < 2; ++x) {
-        p->cubicTo(rand.nextRangeScalar(W / 4,  W), rand.nextRangeScalar(0,  H),
-                rand.nextRangeScalar(0,  W), rand.nextRangeScalar(H / 4,  H),
-                rand.nextRangeScalar(W / 4,  W), rand.nextRangeScalar(H / 4,  H));
+        auto c = rand.nextRangeScalar(W/4, W),
+             d = rand.nextRangeScalar(  0, H),
+             e = rand.nextRangeScalar(  0, W),
+             f = rand.nextRangeScalar(H/4, H),
+             g = rand.nextRangeScalar(W/4, W),
+             h = rand.nextRangeScalar(H/4, H);
+        p->cubicTo(c,d,e,f,g,h);
     }
     paint->setColor(rand.nextU());
     SkScalar width = rand.nextRangeScalar(1, 5);
     width *= width;
     paint->setStrokeWidth(width);
     paint->setAlpha(0xFF);
 }
 
 class BeziersGM : public skiagm::GM {
 public:
@@ skipping 27 matching lines @@
             rnd_cubic(&p, &paint, rand);
             canvas->drawPath(p, paint);
         }
     }
 
 private:
     typedef skiagm::GM INHERITED;
 };
 
 DEF_GM( return new BeziersGM; )