diff --git a/compiler-rt/lib/asan/asan.syms.extra b/compiler-rt/lib/asan/asan.syms.extra
--- a/compiler-rt/lib/asan/asan.syms.extra
+++ b/compiler-rt/lib/asan/asan.syms.extra
@@ -1,4 +1,4 @@
-__asan_*
-__lsan_*
-__ubsan_*
-__sancov_*
+*__asan_*
+*__lsan_*
+*__ubsan_*
+*__sancov_*
diff --git a/compiler-rt/lib/hwasan/hwasan.syms.extra b/compiler-rt/lib/hwasan/hwasan.syms.extra
--- a/compiler-rt/lib/hwasan/hwasan.syms.extra
+++ b/compiler-rt/lib/hwasan/hwasan.syms.extra
@@ -1,2 +1,3 @@
-__hwasan_*
-__ubsan_*
+*__hwasan_*
+*__ubsan_*
+*__sancov_*
diff --git a/compiler-rt/lib/msan/msan.syms.extra b/compiler-rt/lib/msan/msan.syms.extra
--- a/compiler-rt/lib/msan/msan.syms.extra
+++ b/compiler-rt/lib/msan/msan.syms.extra
@@ -1,2 +1,3 @@
-__msan_*
-__ubsan_*
+*__msan_*
+*__ubsan_*
+*__sancov_*
diff --git a/compiler-rt/lib/ubsan/ubsan.syms.extra b/compiler-rt/lib/ubsan/ubsan.syms.extra
--- a/compiler-rt/lib/ubsan/ubsan.syms.extra
+++ b/compiler-rt/lib/ubsan/ubsan.syms.extra
@@ -1 +1 @@
-__ubsan_*
+*__ubsan_*
diff --git a/compiler-rt/lib/ubsan_minimal/ubsan.syms.extra b/compiler-rt/lib/ubsan_minimal/ubsan.syms.extra
--- a/compiler-rt/lib/ubsan_minimal/ubsan.syms.extra
+++ b/compiler-rt/lib/ubsan_minimal/ubsan.syms.extra
@@ -1 +1 @@
-__ubsan_*
+*__ubsan_*
diff --git a/compiler-rt/test/asan/TestCases/coverage-emutls.cpp b/compiler-rt/test/asan/TestCases/coverage-emutls.cpp
new file mode 100644
--- /dev/null
+++ b/compiler-rt/test/asan/TestCases/coverage-emutls.cpp
@@ -0,0 +1,7 @@
+// Test that sanitizer coverage instrumentation is being exported correctly.
+// This caused a bug on Android where the TLS is emulated, and the linker script
+// rules didn't capture the change from "__sancov_lowest_stack" to
+// "__emutls_v.__sancov_lowest_stack", and didn't export the symbol.
+
+// RUN: llvm-nm %shared_libasan | FileCheck %s
+// CHECK: __sancov_lowest_stack