[PATCH] add InternalVector to sanitizer_common

[Kostya Serebryany]

================
Comment at: lib/sanitizer_common/sanitizer_common.h:278
@@ +277,3 @@
+  }
+  T &operator[](uptr i) { return data_[i]; }
+  void push_back(const T &element) {
----------------
Maybe add a CHECK_LT(i, size_)? 

================
Comment at: lib/sanitizer_common/sanitizer_common.h:280
@@ +279,3 @@
+  void push_back(const T &element) {
+    CHECK(size_ <= capacity_);
+    if (size_ == capacity_) {
----------------
CHECK_LE

================
Comment at: lib/sanitizer_common/sanitizer_common.h:265
@@ +264,3 @@
+// small vectors.
+// WARNING: The current implementation does not call destructors.
+template<typename T>
----------------
maybe just say "supports only PODs"


http://llvm-reviews.chandlerc.com/D463