Include <cmath> for compatibility with gcc 3.0.x (the system compiler on
Debian.)


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@12986 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/Analysis/ScalarEvolution.cpp b/lib/Analysis/ScalarEvolution.cpp
index 0d880ed..33a4050 100644
--- a/lib/Analysis/ScalarEvolution.cpp
+++ b/lib/Analysis/ScalarEvolution.cpp
@@ -76,6 +76,7 @@
 #include "llvm/Support/ConstantRange.h"
 #include "llvm/Support/InstIterator.h"
 #include "Support/Statistic.h"
+#include <cmath>
 using namespace llvm;
 
 namespace {