182   ASSERT_TRUE(backtrace->Unwind(0));  in VerifyLevelBacktrace()
204   ASSERT_TRUE(backtrace->Unwind(0));  in VerifyMaxBacktrace()
234   ASSERT_TRUE(backtrace->Unwind(0));  in TEST()
281   ASSERT_TRUE(all->Unwind(0));  in VerifyLevelIgnoreFrames()
287   ASSERT_TRUE(ign1->Unwind(1));  in VerifyLevelIgnoreFrames()
293   ASSERT_TRUE(ign2->Unwind(2));  in VerifyLevelIgnoreFrames()
330       ASSERT_TRUE(backtrace->Unwind(0));  in VerifyProcTest()
389   ASSERT_TRUE(ign1->Unwind(1));  in VerifyProcessIgnoreFrames()
394   ASSERT_TRUE(ign2->Unwind(2));  in VerifyProcessIgnoreFrames()
478   ASSERT_TRUE(backtrace->Unwind(0));  in VerifyLevelThread()
491   ASSERT_TRUE(backtrace->Unwind(0));  in VerifyMaxThread()
533   ASSERT_TRUE(backtrace->Unwind(0));  in TEST()
573   ASSERT_TRUE(all->Unwind(0));  in TEST()
578   ASSERT_TRUE(ign1->Unwind(1));  in TEST()
583   ASSERT_TRUE(ign2->Unwind(2));  in TEST()
614   ASSERT_TRUE(backtrace->Unwind(0));  in TEST()
633   dump->backtrace->Unwind(0);  in ThreadDump()
741   EXPECT_TRUE(back1->Unwind(0));  in TEST()
748   EXPECT_TRUE(back2->Unwind(0));  in TEST()
755   EXPECT_TRUE(back3->Unwind(0));  in TEST()
1178   backtrace->Unwind(0);  in TEST()
1255       backtrace->Unwind(0);  in TEST()
1319   ASSERT_TRUE(backtrace->Unwind(0));  in VerifyUnreadableElfBacktrace()
1376     ASSERT_TRUE(backtrace->Unwind(0));  in TEST()
1405   ASSERT_FALSE(backtrace->Unwind(0));  in TEST()
1532   ASSERT_TRUE(backtrace->Unwind(0, &ucontext));  in UnwindFromDevice()
1541   ASSERT_TRUE(backtrace->Unwind(1, &ucontext));  in UnwindFromDevice()
1551   ASSERT_TRUE(backtrace->Unwind(0, &ucontext));  in UnwindFromDevice()
1560   ASSERT_TRUE(backtrace->Unwind(1, &ucontext));  in UnwindFromDevice()
1685     ASSERT_TRUE(backtrace->Unwind(0));  in UnwindThroughSignal()
1754     ASSERT_TRUE(backtrace->Unwind(0));  in CheckForLeak()
1765     ASSERT_TRUE(backtrace->Unwind(0));  in CheckForLeak()