Dump INFO CODE_ID containing Build ID in Linux dump_syms

src/common/module_unittest.cc

Index: src/common/module_unittest.cc
diff --git a/src/common/module_unittest.cc b/src/common/module_unittest.cc
index 0b6432716ee443e637b877e5ffb2cadd32f4690c..78406e37c95d369b4e6b4d1ebeffffb176d74bd5 100644
--- a/src/common/module_unittest.cc
+++ b/src/common/module_unittest.cc
@@ -64,6 +64,7 @@ static Module::Function *generate_duplicate_function(const string &name) {
 #define MODULE_OS "os-name"
 #define MODULE_ARCH "architecture"
 #define MODULE_ID "id-string"
+#define MODULE_CODE_ID "code-id-string"
 
 TEST(Write, Header) {
   stringstream s;
@@ -74,6 +75,16 @@ TEST(Write, Header) {
                contents.c_str());
 }
 
+TEST(Write, HeaderCodeId) {
+  stringstream s;
+  Module m(MODULE_NAME, MODULE_OS, MODULE_ARCH, MODULE_ID, MODULE_CODE_ID);
+  m.Write(s, ALL_SYMBOL_DATA);
+  string contents = s.str();
+  EXPECT_STREQ("MODULE os-name architecture id-string name with spaces\n"
+               "INFO CODE_ID code-id-string\n",
+               contents.c_str());
+}
+
 TEST(Write, OneLineFunc) {
   stringstream s;
   Module m(MODULE_NAME, MODULE_OS, MODULE_ARCH, MODULE_ID);