https://gcc.gnu.org/bugzilla/show_bug.cgi?id=67286 --- Comment #1 from zhouweiguo2008 at gmail dot com --- this bug had been fixed and validated with gcc 4.9.2 and gcc 5.2.0. and the testcases (from external/compiler-rt/test/asan/TestCases) could be running normally on the 32-bit Android 5.0 phone.