[PATCH] Add standard insert overloads to StringMap

[David Blaikie]

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Comment at: unittests/ADT/StringMapTest.cpp:233
@@ +232,3 @@
+  EXPECT_EQ(1, t.getNumBuckets());
+  EXPECT_EQ(3916023477, HashString("abcdef"));
+
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What is this EXPECT test for?

http://reviews.llvm.org/D4153