Drop obsolete misc-intrinsics.h file.

src/runtime/runtime-numbers.cc

Index: src/runtime/runtime-numbers.cc
diff --git a/src/runtime/runtime-numbers.cc b/src/runtime/runtime-numbers.cc
index 17c52e14f59111fcbcd48b69883bf717e2147d01..9090067b8fc4bc474291d10cb764a01c75cbd5b3 100644
--- a/src/runtime/runtime-numbers.cc
+++ b/src/runtime/runtime-numbers.cc
@@ -5,9 +5,9 @@
 #include "src/v8.h"
 
 #include "src/arguments.h"
+#include "src/base/bits.h"
 #include "src/bootstrapper.h"
 #include "src/codegen.h"
-#include "src/misc-intrinsics.h"
 #include "src/runtime/runtime.h"
 #include "src/runtime/runtime-utils.h"
 
@@ -526,11 +526,11 @@ RUNTIME_FUNCTION(Runtime_SmiLexicographicCompare) {
   // integer comes first in the lexicographic order.
 
   // From http://graphics.stanford.edu/~seander/bithacks.html#IntegerLog10
-  int x_log2 = IntegerLog2(x_scaled);
+  int x_log2 = 31 - base::bits::CountLeadingZeros32(x_scaled);
   int x_log10 = ((x_log2 + 1) * 1233) >> 12;
   x_log10 -= x_scaled < kPowersOf10[x_log10];
 
-  int y_log2 = IntegerLog2(y_scaled);
+  int y_log2 = 31 - base::bits::CountLeadingZeros32(y_scaled);
   int y_log10 = ((y_log2 + 1) * 1233) >> 12;
   y_log10 -= y_scaled < kPowersOf10[y_log10];