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diff --git a/clang/test/CodeGen/2005-12-04-DeclarationLineNumbers.c b/clang/test/CodeGen/2005-12-04-DeclarationLineNumbers.c
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+++ b/clang/test/CodeGen/2005-12-04-DeclarationLineNumbers.c
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+// RUN: %clang_cc1 %s -emit-llvm -g -o - | grep DW_TAG_compile_unit | count 1
+// PR664: ensure that line #'s are emitted for declarations
+
+
+short test(short br_data_0,
+short br_data_1,
+short br_data_2,
+short br_data_3,
+short br_data_4,
+short br_data_5,
+short br_data_6,
+short br_data_7) {
+
+short sm07 = br_data_0 + br_data_7;
+short sm16 = br_data_1 + br_data_6;
+short sm25 = br_data_2 + br_data_5;
+short sm34 = br_data_3 + br_data_4;
+short s0734 = sm07 + sm34;
+short s1625 = sm16 + sm25;
+
+return s0734 + s1625;
+}
+