[ubsan] Remove REQUIRED from some TestCases

[vitalybuka]

Summary

It's not obvious why they are needed, and tests pass.

[lebedev.ri]

IF no bots complain with them removed then great.
Thanks.

compiler-rt/test/ubsan/TestCases/ImplicitConversion/integer-sign-change-summary.cpp

 // RUN: %clangxx -fsanitize=implicit-integer-sign-change %s -o %t
 // RUN: %run %t 2>&1 | FileCheck %s --check-prefix=CHECK-NOTYPE
 // RUN: %env_ubsan_opts=report_error_type=1 %run %t 2>&1 | FileCheck %s --check-prefix=CHECK-TYPE
-// REQUIRES: !ubsan-standalone && !ubsan-standalone-static
 
 #include <stdint.h>
 
 int main() {
   int32_t t0 = (~(uint32_t(0)));
   // CHECK-NOTYPE: SUMMARY: UndefinedBehaviorSanitizer: undefined-behavior {{.*}}summary.cpp:[[@LINE-1]]:16
   // CHECK-TYPE: SUMMARY: UndefinedBehaviorSanitizer: implicit-integer-sign-change {{.*}}summary.cpp:[[@LINE-2]]:16
   return 0;
 }

compiler-rt/test/ubsan/TestCases/ImplicitConversion/signed-integer-truncation-or-sign-change-summary.cpp

 // RUN: %clangxx -fsanitize=implicit-signed-integer-truncation,implicit-integer-sign-change %s -o %t
 // RUN: %run %t 2>&1 | FileCheck %s --check-prefix=CHECK-NOTYPE
 // RUN: %env_ubsan_opts=report_error_type=1 %run %t 2>&1 | FileCheck %s --check-prefix=CHECK-TYPE
-// REQUIRES: !ubsan-standalone && !ubsan-standalone-static
 
 #include <stdint.h>
 
 int main() {
   int8_t t0 = (~(uint32_t(0)));
   // CHECK-NOTYPE: SUMMARY: UndefinedBehaviorSanitizer: undefined-behavior {{.*}}summary.cpp:[[@LINE-1]]:15
   // CHECK-TYPE: SUMMARY: UndefinedBehaviorSanitizer: implicit-signed-integer-truncation-or-sign-change {{.*}}summary.cpp:[[@LINE-2]]:15
   return 0;
 }

compiler-rt/test/ubsan/TestCases/ImplicitConversion/signed-integer-truncation-summary.cpp

 // RUN: %clangxx -fsanitize=implicit-signed-integer-truncation %s -o %t
 // RUN: %run %t 2>&1 | FileCheck %s --check-prefix=CHECK-NOTYPE
 // RUN: %env_ubsan_opts=report_error_type=1 %run %t 2>&1 | FileCheck %s --check-prefix=CHECK-TYPE
-// REQUIRES: !ubsan-standalone && !ubsan-standalone-static
 
 #include <stdint.h>
 
 int main() {
   uint8_t t0 = int32_t(-1);
   // CHECK-NOTYPE: SUMMARY: UndefinedBehaviorSanitizer: undefined-behavior {{.*}}summary.cpp:[[@LINE-1]]:16
   // CHECK-TYPE: SUMMARY: UndefinedBehaviorSanitizer: implicit-signed-integer-truncation {{.*}}summary.cpp:[[@LINE-2]]:16
   return 0;
 }

compiler-rt/test/ubsan/TestCases/ImplicitConversion/unsigned-integer-truncation-summary.cpp

 // RUN: %clangxx -fsanitize=implicit-unsigned-integer-truncation %s -o %t
 // RUN: %run %t 2>&1 | FileCheck %s --check-prefix=CHECK-NOTYPE
 // RUN: %env_ubsan_opts=report_error_type=1 %run %t 2>&1 | FileCheck %s --check-prefix=CHECK-TYPE
-// REQUIRES: !ubsan-standalone && !ubsan-standalone-static
 
 #include <stdint.h>
 
 int main() {
   uint8_t t0 = (~(uint32_t(0)));
   // CHECK-NOTYPE: SUMMARY: UndefinedBehaviorSanitizer: undefined-behavior {{.*}}summary.cpp:[[@LINE-1]]:16
   // CHECK-TYPE: SUMMARY: UndefinedBehaviorSanitizer: implicit-unsigned-integer-truncation {{.*}}summary.cpp:[[@LINE-2]]:16
   return 0;
 }

compiler-rt/test/ubsan/TestCases/Pointer/alignment-assumption-summary.cpp

 // RUN: %clangxx -fsanitize=alignment %s -o %t
 // RUN: %run %t 2>&1 | FileCheck %s --check-prefix=CHECK-NOTYPE
 // RUN: %env_ubsan_opts=report_error_type=1 %run %t 2>&1 | FileCheck %s --check-prefix=CHECK-TYPE
-// REQUIRES: !ubsan-standalone && !ubsan-standalone-static
 
 #include <stdlib.h>
 
 int main(int argc, char* argv[]) {
   char *ptr = (char *)malloc(2);
 
   __builtin_assume_aligned(ptr + 1, 0x8000);
   // CHECK-NOTYPE: SUMMARY: UndefinedBehaviorSanitizer: undefined-behavior {{.*}}summary.cpp:[[@LINE-1]]:32
   // CHECK-TYPE: SUMMARY: UndefinedBehaviorSanitizer: alignment-assumption {{.*}}summary.cpp:[[@LINE-2]]:32
   free(ptr);
 
   return 0;
 }

compiler-rt/test/ubsan/TestCases/Pointer/nullptr-and-nonzero-offset-summary.cpp

 // RUN: %clang -x c -fsanitize=pointer-overflow %s -o %t
 // RUN: %run %t 2>&1 | FileCheck %s --check-prefixes=CHECK-NOTYPE,CHECK-NOTYPE-C
 // RUN: %env_ubsan_opts=report_error_type=1 %run %t 2>&1 | FileCheck %s --check-prefixes=CHECK-TYPE,CHECK-TYPE-C
 
 // RUN: %clangxx -fsanitize=pointer-overflow %s -o %t
 // RUN: %run %t 2>&1 | FileCheck %s --check-prefixes=CHECK-NOTYPE,CHECK-NOTYPE-CPP
 // RUN: %env_ubsan_opts=report_error_type=1 %run %t 2>&1 | FileCheck %s --check-prefixes=CHECK-TYPE,CHECK-TYPE-CPP
 
-// REQUIRES: !ubsan-standalone && !ubsan-standalone-static
-
 #include <stdlib.h>
 
 int main(int argc, char *argv[]) {
   char *base, *result;
 
   base = (char *)0;
   result = base + 0;
   // CHECK-NOTYPE-C: SUMMARY: UndefinedBehaviorSanitizer: undefined-behavior {{.*}}summary.cpp:[[@LINE-1]]:17