Index: compiler-rt/test/asan/TestCases/Linux/odr_c_test.c
===================================================================
--- compiler-rt/test/asan/TestCases/Linux/odr_c_test.c
+++ compiler-rt/test/asan/TestCases/Linux/odr_c_test.c
@@ -1,9 +1,9 @@
 // Test that we can properly report an ODR violation
 // between an instrumented global and a non-instrumented global.
 
-// RUN: %clang_asan %s -fPIC -shared -o %dynamiclib1  -DFILE1
-// RUN: %clang_asan %s -fPIC -shared -o %dynamiclib2  -DFILE2
-// RUN: %clang_asan %s -fPIE %ld_flags_rpath_exe1 %ld_flags_rpath_exe2 -o %t
+// RUN: %clang_asan -fcommon %s -fPIC -shared -o %dynamiclib1  -DFILE1
+// RUN: %clang_asan -fcommon %s -fPIC -shared -o %dynamiclib2  -DFILE2
+// RUN: %clang_asan -fcommon %s -fPIE %ld_flags_rpath_exe1 %ld_flags_rpath_exe2 -o %t
 // RUN: not %run %t 2>&1 | FileCheck %s
 //
 // CHECK: The following global variable is not properly aligned.
Index: compiler-rt/test/asan/TestCases/set_shadow_test.c
===================================================================
--- compiler-rt/test/asan/TestCases/set_shadow_test.c
+++ compiler-rt/test/asan/TestCases/set_shadow_test.c
@@ -1,4 +1,4 @@
-// RUN: %clang_asan -O0 %s -o %t
+// RUN: %clang_asan -fcommon -O0 %s -o %t
 // RUN: %run %t 0x00 2>&1 | FileCheck %s -check-prefix=X00
 // RUN: not %run %t 0xf1 2>&1 | FileCheck %s -check-prefix=XF1
 // RUN: not %run %t 0xf2 2>&1 | FileCheck %s -check-prefix=XF2