Fix PR 4170 by having ExtractValueInst::getIndexedType() reject out-of-bounds indexing.

Also add asserts that the indices are valid in InsertValueInst::init(). ExtractValueInst already asserts when constructed with invalid indices.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@120956 91177308-0d34-0410-b5e6-96231b3b80d8

test/Assembler/extractvalue-invalid-idx.ll

@@ -0,0 +1,8 @@
+; RUN: not llvm-as < %s |& grep {invalid indices for extractvalue}
+; PR4170
+
+define void @test() {
+entry:
+        extractvalue [0 x i32] undef, 0
+        ret void
+}