[ADT] Simplify getMemory. NFC

llvm-svn: 328334
diff --git a/llvm/lib/Support/APInt.cpp b/llvm/lib/Support/APInt.cpp
index 48b9613..603648b 100644
--- a/llvm/lib/Support/APInt.cpp
+++ b/llvm/lib/Support/APInt.cpp
@@ -33,8 +33,7 @@
 /// A utility function for allocating memory, checking for allocation failures,
 /// and ensuring the contents are zeroed.
 inline static uint64_t* getClearedMemory(unsigned numWords) {
-  uint64_t * result = new uint64_t[numWords];
-  assert(result && "APInt memory allocation fails!");
+  uint64_t *result = new uint64_t[numWords];
   memset(result, 0, numWords * sizeof(uint64_t));
   return result;
 }
@@ -42,9 +41,7 @@
 /// A utility function for allocating memory and checking for allocation
 /// failure.  The content is not zeroed.
 inline static uint64_t* getMemory(unsigned numWords) {
-  uint64_t * result = new uint64_t[numWords];
-  assert(result && "APInt memory allocation fails!");
-  return result;
+  return new uint64_t[numWords];
 }
 
 /// A utility function that converts a character to a digit.