numeric_limits::infinity() apparently does not work on all systems.  As a
workaround, use the C HUGE_VAL macro instead.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@13377 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/CodeGen/RegAllocLinearScan.cpp b/lib/CodeGen/RegAllocLinearScan.cpp
index 7759eec..dcfb597 100644
--- a/lib/CodeGen/RegAllocLinearScan.cpp
+++ b/lib/CodeGen/RegAllocLinearScan.cpp
@@ -351,7 +351,7 @@
 
     DEBUG(std::cerr << "\tassigning stack slot at interval "<< *cur << ":\n");
 
-    float minWeight = std::numeric_limits<float>::infinity();
+    float minWeight = HUGE_VAL;
     unsigned minReg = 0;
     const TargetRegisterClass* rc = mf_->getSSARegMap()->getRegClass(cur->reg);
     for (TargetRegisterClass::iterator i = rc->allocation_order_begin(*mf_);