Index: compiler-rt/trunk/lib/profile/InstrProfilingFile.c
===================================================================
--- compiler-rt/trunk/lib/profile/InstrProfilingFile.c
+++ compiler-rt/trunk/lib/profile/InstrProfilingFile.c
@@ -82,7 +82,8 @@
   ProfileNameSpecifier PNS;
 } lprofFilename;
 
-lprofFilename lprofCurFilename = {0, 0, 0, {0}, {0}, 0, 0, 0, PNS_unknown};
+COMPILER_RT_WEAK lprofFilename lprofCurFilename = {0, 0, 0, {0}, {0},
+                                                   0, 0, 0, PNS_unknown};
 
 int getpid(void);
 static int getCurFilenameLength();
Index: compiler-rt/trunk/test/profile/Linux/instrprof-set-filename-shared.test
===================================================================
--- compiler-rt/trunk/test/profile/Linux/instrprof-set-filename-shared.test
+++ compiler-rt/trunk/test/profile/Linux/instrprof-set-filename-shared.test
@@ -1,8 +0,0 @@
-# Test that __llvm_profile_set_filename is honored by shared libary too.
-RUN: mkdir -p %t.d
-RUN: %clang_profgen=%t.shared.profraw -fPIC -shared -o %t.d/t.shared %S/../Inputs/instrprof-dlopen-func.c
-RUN: %clang_profgen -DCALL_SHARED -o %t.m -O3 -rpath %t.d %t.d/t.shared %S/../instrprof-set-filename.c 
-RUN: %run %t.m %t.main.profraw
-RUN: llvm-profdata show %t.main.profraw | FileCheck --check-prefix=SHARED %s
-
-# SHARED: Total functions: 2
Index: compiler-rt/trunk/test/profile/instrprof-set-filename-shared.test
===================================================================
--- compiler-rt/trunk/test/profile/instrprof-set-filename-shared.test
+++ compiler-rt/trunk/test/profile/instrprof-set-filename-shared.test
@@ -0,0 +1,8 @@
+# Test that __llvm_profile_set_filename is honored by shared libary too.
+RUN: mkdir -p %t.d
+RUN: %clang_profgen=%t.shared.profraw -fPIC -shared -o %t.d/t.shared %S/Inputs/instrprof-dlopen-func.c
+RUN: %clang_profgen -DCALL_SHARED -o %t.m -O3 -rpath %t.d %t.d/t.shared %S/instrprof-set-filename.c
+RUN: %run %t.m %t.main.profraw
+RUN: llvm-profdata show %t.main.profraw | FileCheck --check-prefix=SHARED %s
+
+# SHARED: Total functions: 2