diff --git a/compiler-rt/test/ubsan/TestCases/ImplicitConversion/integer-sign-change-blacklist.c b/compiler-rt/test/ubsan/TestCases/ImplicitConversion/integer-sign-change-blacklist.c
index 8acc516fcaf1..05f322e32387 100644
--- a/compiler-rt/test/ubsan/TestCases/ImplicitConversion/integer-sign-change-blacklist.c
+++ b/compiler-rt/test/ubsan/TestCases/ImplicitConversion/integer-sign-change-blacklist.c
@@ -1,25 +1,23 @@
-// UNSUPPORTED: ios
-
 // RUN: %clang -fsanitize=implicit-integer-sign-change -fno-sanitize-recover=implicit-integer-sign-change                           -O0 %s -o %t && not %run %t 2>&1 | FileCheck %s --implicit-check-not="implicit conversion"
 // RUN: %clang -fsanitize=implicit-integer-sign-change -fno-sanitize-recover=implicit-integer-sign-change                           -O1 %s -o %t && not %run %t 2>&1 | FileCheck %s --implicit-check-not="implicit conversion"
 // RUN: %clang -fsanitize=implicit-integer-sign-change -fno-sanitize-recover=implicit-integer-sign-change                           -O2 %s -o %t && not %run %t 2>&1 | FileCheck %s --implicit-check-not="implicit conversion"
 // RUN: %clang -fsanitize=implicit-integer-sign-change -fno-sanitize-recover=implicit-integer-sign-change                           -O3 %s -o %t && not %run %t 2>&1 | FileCheck %s --implicit-check-not="implicit conversion"
 
 // RUN: rm -f %tmp
 // RUN: echo "[implicit-integer-sign-change]" >> %tmp
 // RUN: echo "fun:implicitSignChange" >> %tmp
 // RUN: %clang -fsanitize=implicit-integer-sign-change -fno-sanitize-recover=implicit-integer-sign-change -fsanitize-blacklist=%tmp -O0 %s -o %t && %run %t 2>&1 | count 0
 // RUN: %clang -fsanitize=implicit-integer-sign-change -fno-sanitize-recover=implicit-integer-sign-change -fsanitize-blacklist=%tmp -O1 %s -o %t && %run %t 2>&1 | count 0
 // RUN: %clang -fsanitize=implicit-integer-sign-change -fno-sanitize-recover=implicit-integer-sign-change -fsanitize-blacklist=%tmp -O2 %s -o %t && %run %t 2>&1 | count 0
 // RUN: %clang -fsanitize=implicit-integer-sign-change -fno-sanitize-recover=implicit-integer-sign-change -fsanitize-blacklist=%tmp -O3 %s -o %t && %run %t 2>&1 | count 0
 
 #include <stdint.h>
 
 int32_t implicitSignChange(uint32_t argc) {
   return argc; // BOOM
 // CHECK: {{.*}}integer-sign-change-blacklist.c:[[@LINE-1]]:10: runtime error: implicit conversion from type '{{.*}}' (aka 'unsigned int') of value 4294967295 (32-bit, unsigned) to type '{{.*}}' (aka 'int') changed the value to -1 (32-bit, signed)
 }
 
 int main(int argc, char **argv) {
   return !implicitSignChange(~0U);
 }
diff --git a/compiler-rt/test/ubsan/TestCases/ImplicitConversion/signed-integer-truncation-blacklist.c b/compiler-rt/test/ubsan/TestCases/ImplicitConversion/signed-integer-truncation-blacklist.c
index 4598fb2e2a99..32dd398fd48b 100644
--- a/compiler-rt/test/ubsan/TestCases/ImplicitConversion/signed-integer-truncation-blacklist.c
+++ b/compiler-rt/test/ubsan/TestCases/ImplicitConversion/signed-integer-truncation-blacklist.c
@@ -1,57 +1,55 @@
-// UNSUPPORTED: ios
-
 // RUN: %clang -fsanitize=implicit-integer-truncation -fno-sanitize-recover=implicit-integer-truncation                           -O0 %s -o %t && not %run %t 2>&1 | FileCheck %s --implicit-check-not="implicit conversion"
 // RUN: %clang -fsanitize=implicit-integer-truncation -fno-sanitize-recover=implicit-integer-truncation                           -O1 %s -o %t && not %run %t 2>&1 | FileCheck %s --implicit-check-not="implicit conversion"
 // RUN: %clang -fsanitize=implicit-integer-truncation -fno-sanitize-recover=implicit-integer-truncation                           -O2 %s -o %t && not %run %t 2>&1 | FileCheck %s --implicit-check-not="implicit conversion"
 // RUN: %clang -fsanitize=implicit-integer-truncation -fno-sanitize-recover=implicit-integer-truncation                           -O3 %s -o %t && not %run %t 2>&1 | FileCheck %s --implicit-check-not="implicit conversion"
 
 // RUN: rm -f %tmp
 // RUN: echo "[integer]" >> %tmp
 // RUN: echo "fun:implicitUnsignedTruncation" >> %tmp
 // RUN: %clang -fsanitize=implicit-integer-truncation -fno-sanitize-recover=implicit-integer-truncation -fsanitize-blacklist=%tmp -O0 %s -o %t && %run %t 2>&1 | count 0
 // RUN: %clang -fsanitize=implicit-integer-truncation -fno-sanitize-recover=implicit-integer-truncation -fsanitize-blacklist=%tmp -O1 %s -o %t && %run %t 2>&1 | count 0
 // RUN: %clang -fsanitize=implicit-integer-truncation -fno-sanitize-recover=implicit-integer-truncation -fsanitize-blacklist=%tmp -O2 %s -o %t && %run %t 2>&1 | count 0
 // RUN: %clang -fsanitize=implicit-integer-truncation -fno-sanitize-recover=implicit-integer-truncation -fsanitize-blacklist=%tmp -O3 %s -o %t && %run %t 2>&1 | count 0
 
 // RUN: rm -f %tmp
 // RUN: echo "[implicit-conversion]" >> %tmp
 // RUN: echo "fun:implicitUnsignedTruncation" >> %tmp
 // RUN: %clang -fsanitize=implicit-integer-truncation -fno-sanitize-recover=implicit-integer-truncation -fsanitize-blacklist=%tmp -O0 %s -o %t && %run %t 2>&1 | count 0
 // RUN: %clang -fsanitize=implicit-integer-truncation -fno-sanitize-recover=implicit-integer-truncation -fsanitize-blacklist=%tmp -O1 %s -o %t && %run %t 2>&1 | count 0
 // RUN: %clang -fsanitize=implicit-integer-truncation -fno-sanitize-recover=implicit-integer-truncation -fsanitize-blacklist=%tmp -O2 %s -o %t && %run %t 2>&1 | count 0
 // RUN: %clang -fsanitize=implicit-integer-truncation -fno-sanitize-recover=implicit-integer-truncation -fsanitize-blacklist=%tmp -O3 %s -o %t && %run %t 2>&1 | count 0
 
 // RUN: rm -f %tmp
 // RUN: echo "[implicit-integer-truncation]" >> %tmp
 // RUN: echo "fun:implicitUnsignedTruncation" >> %tmp
 // RUN: %clang -fsanitize=implicit-integer-truncation -fno-sanitize-recover=implicit-integer-truncation -fsanitize-blacklist=%tmp -O0 %s -o %t && %run %t 2>&1 | count 0
 // RUN: %clang -fsanitize=implicit-integer-truncation -fno-sanitize-recover=implicit-integer-truncation -fsanitize-blacklist=%tmp -O1 %s -o %t && %run %t 2>&1 | count 0
 // RUN: %clang -fsanitize=implicit-integer-truncation -fno-sanitize-recover=implicit-integer-truncation -fsanitize-blacklist=%tmp -O2 %s -o %t && %run %t 2>&1 | count 0
 // RUN: %clang -fsanitize=implicit-integer-truncation -fno-sanitize-recover=implicit-integer-truncation -fsanitize-blacklist=%tmp -O3 %s -o %t && %run %t 2>&1 | count 0
 
 // RUN: rm -f %tmp
 // RUN: echo "[implicit-signed-integer-truncation]" >> %tmp
 // RUN: echo "fun:implicitUnsignedTruncation" >> %tmp
 // RUN: %clang -fsanitize=implicit-integer-truncation -fno-sanitize-recover=implicit-integer-truncation -fsanitize-blacklist=%tmp -O0 %s -o %t && %run %t 2>&1 | count 0
 // RUN: %clang -fsanitize=implicit-integer-truncation -fno-sanitize-recover=implicit-integer-truncation -fsanitize-blacklist=%tmp -O1 %s -o %t && %run %t 2>&1 | count 0
 // RUN: %clang -fsanitize=implicit-integer-truncation -fno-sanitize-recover=implicit-integer-truncation -fsanitize-blacklist=%tmp -O2 %s -o %t && %run %t 2>&1 | count 0
 // RUN: %clang -fsanitize=implicit-integer-truncation -fno-sanitize-recover=implicit-integer-truncation -fsanitize-blacklist=%tmp -O3 %s -o %t && %run %t 2>&1 | count 0
 
 // RUN: rm -f %tmp
 // RUN: echo "[implicit-unsigned-integer-truncation]" >> %tmp
 // RUN: echo "fun:implicitUnsignedTruncation" >> %tmp
 // RUN: %clang -fsanitize=implicit-integer-truncation -fno-sanitize-recover=implicit-integer-truncation -fsanitize-blacklist=%tmp -O0 %s -o %t && not %run %t 2>&1 | FileCheck %s
 // RUN: %clang -fsanitize=implicit-integer-truncation -fno-sanitize-recover=implicit-integer-truncation -fsanitize-blacklist=%tmp -O1 %s -o %t && not %run %t 2>&1 | FileCheck %s
 // RUN: %clang -fsanitize=implicit-integer-truncation -fno-sanitize-recover=implicit-integer-truncation -fsanitize-blacklist=%tmp -O2 %s -o %t && not %run %t 2>&1 | FileCheck %s
 // RUN: %clang -fsanitize=implicit-integer-truncation -fno-sanitize-recover=implicit-integer-truncation -fsanitize-blacklist=%tmp -O3 %s -o %t && not %run %t 2>&1 | FileCheck %s
 
 #include <stdint.h>
 
 uint8_t implicitUnsignedTruncation(int32_t argc) {
   return argc; // BOOM
 // CHECK: {{.*}}signed-integer-truncation-blacklist.c:[[@LINE-1]]:10: runtime error: implicit conversion from type '{{.*}} (aka 'int') of value -1 (32-bit, signed) to type '{{.*}}' (aka 'unsigned char') changed the value to 255 (8-bit, unsigned)
 }
 
 int main(int argc, char **argv) {
   return !implicitUnsignedTruncation(-1);
 }
diff --git a/compiler-rt/test/ubsan/TestCases/ImplicitConversion/signed-integer-truncation-or-sign-change-blacklist.c b/compiler-rt/test/ubsan/TestCases/ImplicitConversion/signed-integer-truncation-or-sign-change-blacklist.c
index e613f75c988d..0f2978a13fbb 100644
--- a/compiler-rt/test/ubsan/TestCases/ImplicitConversion/signed-integer-truncation-or-sign-change-blacklist.c
+++ b/compiler-rt/test/ubsan/TestCases/ImplicitConversion/signed-integer-truncation-or-sign-change-blacklist.c
@@ -1,55 +1,53 @@
-// UNSUPPORTED: ios
-
 // All of these don't actually silence it:
 
 // RUN: %clang -fsanitize=implicit-signed-integer-truncation,implicit-integer-sign-change -fno-sanitize-recover=implicit-signed-integer-truncation,implicit-integer-sign-change                           -O0 %s -o %t && not %run %t 2>&1 | FileCheck %s --implicit-check-not="implicit conversion"
 // RUN: %clang -fsanitize=implicit-signed-integer-truncation,implicit-integer-sign-change -fno-sanitize-recover=implicit-signed-integer-truncation,implicit-integer-sign-change                           -O1 %s -o %t && not %run %t 2>&1 | FileCheck %s --implicit-check-not="implicit conversion"
 // RUN: %clang -fsanitize=implicit-signed-integer-truncation,implicit-integer-sign-change -fno-sanitize-recover=implicit-signed-integer-truncation,implicit-integer-sign-change                           -O2 %s -o %t && not %run %t 2>&1 | FileCheck %s --implicit-check-not="implicit conversion"
 // RUN: %clang -fsanitize=implicit-signed-integer-truncation,implicit-integer-sign-change -fno-sanitize-recover=implicit-signed-integer-truncation,implicit-integer-sign-change                           -O3 %s -o %t && not %run %t 2>&1 | FileCheck %s --implicit-check-not="implicit conversion"
 
 // RUN: rm -f %tmp
 // RUN: echo "[implicit-signed-integer-truncation]" >> %tmp
 // RUN: echo "fun:implicitConversion" >> %tmp
 // RUN: %clang -fsanitize=implicit-signed-integer-truncation,implicit-integer-sign-change -fno-sanitize-recover=implicit-signed-integer-truncation,implicit-integer-sign-change -fsanitize-blacklist=%tmp -O0 %s -o %t && not %run %t 2>&1 | FileCheck %s --implicit-check-not="implicit conversion"
 // RUN: %clang -fsanitize=implicit-signed-integer-truncation,implicit-integer-sign-change -fno-sanitize-recover=implicit-signed-integer-truncation,implicit-integer-sign-change -fsanitize-blacklist=%tmp -O1 %s -o %t && not %run %t 2>&1 | FileCheck %s --implicit-check-not="implicit conversion"
 // RUN: %clang -fsanitize=implicit-signed-integer-truncation,implicit-integer-sign-change -fno-sanitize-recover=implicit-signed-integer-truncation,implicit-integer-sign-change -fsanitize-blacklist=%tmp -O2 %s -o %t && not %run %t 2>&1 | FileCheck %s --implicit-check-not="implicit conversion"
 // RUN: %clang -fsanitize=implicit-signed-integer-truncation,implicit-integer-sign-change -fno-sanitize-recover=implicit-signed-integer-truncation,implicit-integer-sign-change -fsanitize-blacklist=%tmp -O3 %s -o %t && not %run %t 2>&1 | FileCheck %s --implicit-check-not="implicit conversion"
 
 // RUN: rm -f %tmp
 // RUN: echo "[implicit-signed-integer-truncation,implicit-integer-sign-change]" >> %tmp
 // RUN: echo "fun:implicitConversion" >> %tmp
 // RUN: %clang -fsanitize=implicit-signed-integer-truncation,implicit-integer-sign-change -fno-sanitize-recover=implicit-signed-integer-truncation,implicit-integer-sign-change -fsanitize-blacklist=%tmp -O0 %s -o %t && not %run %t 2>&1 | FileCheck %s --implicit-check-not="implicit conversion"
 // RUN: %clang -fsanitize=implicit-signed-integer-truncation,implicit-integer-sign-change -fno-sanitize-recover=implicit-signed-integer-truncation,implicit-integer-sign-change -fsanitize-blacklist=%tmp -O1 %s -o %t && not %run %t 2>&1 | FileCheck %s --implicit-check-not="implicit conversion"
 // RUN: %clang -fsanitize=implicit-signed-integer-truncation,implicit-integer-sign-change -fno-sanitize-recover=implicit-signed-integer-truncation,implicit-integer-sign-change -fsanitize-blacklist=%tmp -O2 %s -o %t && not %run %t 2>&1 | FileCheck %s --implicit-check-not="implicit conversion"
 // RUN: %clang -fsanitize=implicit-signed-integer-truncation,implicit-integer-sign-change -fno-sanitize-recover=implicit-signed-integer-truncation,implicit-integer-sign-change -fsanitize-blacklist=%tmp -O3 %s -o %t && not %run %t 2>&1 | FileCheck %s --implicit-check-not="implicit conversion"
 
 
 // The only two way it works:
 
 // RUN: rm -f %tmp
 // RUN: echo "[implicit-integer-sign-change]" >> %tmp
 // RUN: echo "fun:implicitConversion" >> %tmp
 // RUN: %clang -fsanitize=implicit-signed-integer-truncation,implicit-integer-sign-change -fno-sanitize-recover=implicit-signed-integer-truncation,implicit-integer-sign-change -fsanitize-blacklist=%tmp -O0 %s -o %t && %run %t 2>&1 | count 0
 // RUN: %clang -fsanitize=implicit-signed-integer-truncation,implicit-integer-sign-change -fno-sanitize-recover=implicit-signed-integer-truncation,implicit-integer-sign-change -fsanitize-blacklist=%tmp -O1 %s -o %t && %run %t 2>&1 | count 0
 // RUN: %clang -fsanitize=implicit-signed-integer-truncation,implicit-integer-sign-change -fno-sanitize-recover=implicit-signed-integer-truncation,implicit-integer-sign-change -fsanitize-blacklist=%tmp -O2 %s -o %t && %run %t 2>&1 | count 0
 // RUN: %clang -fsanitize=implicit-signed-integer-truncation,implicit-integer-sign-change -fno-sanitize-recover=implicit-signed-integer-truncation,implicit-integer-sign-change -fsanitize-blacklist=%tmp -O3 %s -o %t && %run %t 2>&1 | count 0
 
 // RUN: rm -f %tmp
 // RUN: echo "[implicit-signed-integer-truncation]" >> %tmp
 // RUN: echo "[implicit-integer-sign-change]" >> %tmp
 // RUN: echo "fun:implicitConversion" >> %tmp
 // RUN: %clang -fsanitize=implicit-signed-integer-truncation,implicit-integer-sign-change -fno-sanitize-recover=implicit-signed-integer-truncation,implicit-integer-sign-change -fsanitize-blacklist=%tmp -O0 %s -o %t && %run %t 2>&1 | count 0
 // RUN: %clang -fsanitize=implicit-signed-integer-truncation,implicit-integer-sign-change -fno-sanitize-recover=implicit-signed-integer-truncation,implicit-integer-sign-change -fsanitize-blacklist=%tmp -O1 %s -o %t && %run %t 2>&1 | count 0
 // RUN: %clang -fsanitize=implicit-signed-integer-truncation,implicit-integer-sign-change -fno-sanitize-recover=implicit-signed-integer-truncation,implicit-integer-sign-change -fsanitize-blacklist=%tmp -O2 %s -o %t && %run %t 2>&1 | count 0
 // RUN: %clang -fsanitize=implicit-signed-integer-truncation,implicit-integer-sign-change -fno-sanitize-recover=implicit-signed-integer-truncation,implicit-integer-sign-change -fsanitize-blacklist=%tmp -O3 %s -o %t && %run %t 2>&1 | count 0
 
 #include <stdint.h>
 
 int8_t implicitConversion(uint32_t argc) {
   return argc; // BOOM
 // CHECK: {{.*}}signed-integer-truncation-or-sign-change-blacklist.c:[[@LINE-1]]:10: runtime error: implicit conversion from type '{{.*}}' (aka 'unsigned int') of value 4294967295 (32-bit, unsigned) to type '{{.*}}' (aka '{{(signed )?}}char') changed the value to -1 (8-bit, signed)
 }
 
 int main(int argc, char **argv) {
   return !implicitConversion(~0U);
 }
diff --git a/compiler-rt/test/ubsan/TestCases/ImplicitConversion/unsigned-integer-truncation-blacklist.c b/compiler-rt/test/ubsan/TestCases/ImplicitConversion/unsigned-integer-truncation-blacklist.c
index 2927e4bb2b9c..00ce8757075d 100644
--- a/compiler-rt/test/ubsan/TestCases/ImplicitConversion/unsigned-integer-truncation-blacklist.c
+++ b/compiler-rt/test/ubsan/TestCases/ImplicitConversion/unsigned-integer-truncation-blacklist.c
@@ -1,57 +1,55 @@
-// UNSUPPORTED: ios
-
 // RUN: %clang -fsanitize=implicit-integer-truncation -fno-sanitize-recover=implicit-integer-truncation                           -O0 %s -o %t && not %run %t 2>&1 | FileCheck %s --implicit-check-not="implicit conversion"
 // RUN: %clang -fsanitize=implicit-integer-truncation -fno-sanitize-recover=implicit-integer-truncation                           -O1 %s -o %t && not %run %t 2>&1 | FileCheck %s --implicit-check-not="implicit conversion"
 // RUN: %clang -fsanitize=implicit-integer-truncation -fno-sanitize-recover=implicit-integer-truncation                           -O2 %s -o %t && not %run %t 2>&1 | FileCheck %s --implicit-check-not="implicit conversion"
 // RUN: %clang -fsanitize=implicit-integer-truncation -fno-sanitize-recover=implicit-integer-truncation                           -O3 %s -o %t && not %run %t 2>&1 | FileCheck %s --implicit-check-not="implicit conversion"
 
 // RUN: rm -f %tmp
 // RUN: echo "[integer]" >> %tmp
 // RUN: echo "fun:implicitUnsignedTruncation" >> %tmp
 // RUN: %clang -fsanitize=implicit-integer-truncation -fno-sanitize-recover=implicit-integer-truncation -fsanitize-blacklist=%tmp -O0 %s -o %t && %run %t 2>&1 | count 0
 // RUN: %clang -fsanitize=implicit-integer-truncation -fno-sanitize-recover=implicit-integer-truncation -fsanitize-blacklist=%tmp -O1 %s -o %t && %run %t 2>&1 | count 0
 // RUN: %clang -fsanitize=implicit-integer-truncation -fno-sanitize-recover=implicit-integer-truncation -fsanitize-blacklist=%tmp -O2 %s -o %t && %run %t 2>&1 | count 0
 // RUN: %clang -fsanitize=implicit-integer-truncation -fno-sanitize-recover=implicit-integer-truncation -fsanitize-blacklist=%tmp -O3 %s -o %t && %run %t 2>&1 | count 0
 
 // RUN: rm -f %tmp
 // RUN: echo "[implicit-conversion]" >> %tmp
 // RUN: echo "fun:implicitUnsignedTruncation" >> %tmp
 // RUN: %clang -fsanitize=implicit-integer-truncation -fno-sanitize-recover=implicit-integer-truncation -fsanitize-blacklist=%tmp -O0 %s -o %t && %run %t 2>&1 | count 0
 // RUN: %clang -fsanitize=implicit-integer-truncation -fno-sanitize-recover=implicit-integer-truncation -fsanitize-blacklist=%tmp -O1 %s -o %t && %run %t 2>&1 | count 0
 // RUN: %clang -fsanitize=implicit-integer-truncation -fno-sanitize-recover=implicit-integer-truncation -fsanitize-blacklist=%tmp -O2 %s -o %t && %run %t 2>&1 | count 0
 // RUN: %clang -fsanitize=implicit-integer-truncation -fno-sanitize-recover=implicit-integer-truncation -fsanitize-blacklist=%tmp -O3 %s -o %t && %run %t 2>&1 | count 0
 
 // RUN: rm -f %tmp
 // RUN: echo "[implicit-integer-truncation]" >> %tmp
 // RUN: echo "fun:implicitUnsignedTruncation" >> %tmp
 // RUN: %clang -fsanitize=implicit-integer-truncation -fno-sanitize-recover=implicit-integer-truncation -fsanitize-blacklist=%tmp -O0 %s -o %t && %run %t 2>&1 | count 0
 // RUN: %clang -fsanitize=implicit-integer-truncation -fno-sanitize-recover=implicit-integer-truncation -fsanitize-blacklist=%tmp -O1 %s -o %t && %run %t 2>&1 | count 0
 // RUN: %clang -fsanitize=implicit-integer-truncation -fno-sanitize-recover=implicit-integer-truncation -fsanitize-blacklist=%tmp -O2 %s -o %t && %run %t 2>&1 | count 0
 // RUN: %clang -fsanitize=implicit-integer-truncation -fno-sanitize-recover=implicit-integer-truncation -fsanitize-blacklist=%tmp -O3 %s -o %t && %run %t 2>&1 | count 0
 
 // RUN: rm -f %tmp
 // RUN: echo "[implicit-unsigned-integer-truncation]" >> %tmp
 // RUN: echo "fun:implicitUnsignedTruncation" >> %tmp
 // RUN: %clang -fsanitize=implicit-integer-truncation -fno-sanitize-recover=implicit-integer-truncation -fsanitize-blacklist=%tmp -O0 %s -o %t && %run %t 2>&1 | count 0
 // RUN: %clang -fsanitize=implicit-integer-truncation -fno-sanitize-recover=implicit-integer-truncation -fsanitize-blacklist=%tmp -O1 %s -o %t && %run %t 2>&1 | count 0
 // RUN: %clang -fsanitize=implicit-integer-truncation -fno-sanitize-recover=implicit-integer-truncation -fsanitize-blacklist=%tmp -O2 %s -o %t && %run %t 2>&1 | count 0
 // RUN: %clang -fsanitize=implicit-integer-truncation -fno-sanitize-recover=implicit-integer-truncation -fsanitize-blacklist=%tmp -O3 %s -o %t && %run %t 2>&1 | count 0
 
 // RUN: rm -f %tmp
 // RUN: echo "[implicit-signed-integer-truncation]" >> %tmp
 // RUN: echo "fun:implicitUnsignedTruncation" >> %tmp
 // RUN: %clang -fsanitize=implicit-integer-truncation -fno-sanitize-recover=implicit-integer-truncation -fsanitize-blacklist=%tmp -O0 %s -o %t && not %run %t 2>&1 | FileCheck %s
 // RUN: %clang -fsanitize=implicit-integer-truncation -fno-sanitize-recover=implicit-integer-truncation -fsanitize-blacklist=%tmp -O1 %s -o %t && not %run %t 2>&1 | FileCheck %s
 // RUN: %clang -fsanitize=implicit-integer-truncation -fno-sanitize-recover=implicit-integer-truncation -fsanitize-blacklist=%tmp -O2 %s -o %t && not %run %t 2>&1 | FileCheck %s
 // RUN: %clang -fsanitize=implicit-integer-truncation -fno-sanitize-recover=implicit-integer-truncation -fsanitize-blacklist=%tmp -O3 %s -o %t && not %run %t 2>&1 | FileCheck %s
 
 #include <stdint.h>
 
 uint8_t implicitUnsignedTruncation(uint32_t argc) {
   return argc; // BOOM
 // CHECK: {{.*}}unsigned-integer-truncation-blacklist.c:[[@LINE-1]]:10: runtime error: implicit conversion from type '{{.*}}' (aka 'unsigned int') of value 4294967295 (32-bit, unsigned) to type '{{.*}}' (aka 'unsigned char') changed the value to 255 (8-bit, unsigned)
 }
 
 int main(int argc, char **argv) {
   return !implicitUnsignedTruncation(~0U);
 }