[sanitizer] Use strict-whitespace in tests

Author: vitalybuka

compiler-rt/test/sanitizer_common/TestCases/Linux/dump_registers_i386.cpp

@@ -1,7 +1,7 @@
 // Check that sanitizer prints registers dump_registers on dump_registers=1
 // RUN: %clangxx  %s -o %t
-// RUN: %env_tool_opts=dump_registers=0 not %run %t 2>&1 | FileCheck %s --check-prefix=CHECK-NODUMP
-// RUN: not %run %t 2>&1 | FileCheck %s --check-prefix=CHECK-DUMP
+// RUN: %env_tool_opts=dump_registers=0 not %run %t 2>&1 | FileCheck %s --check-prefixes=CHECK-NODUMP --strict-whitespace
+// RUN: not %run %t 2>&1 | FileCheck %s --check-prefixes=CHECK-DUMP --strict-whitespace
 //
 // REQUIRES: i386-target-arch
 

compiler-rt/test/sanitizer_common/TestCases/Linux/dump_registers_x86_64.cpp

@@ -1,7 +1,7 @@
 // Check that sanitizer prints registers dump_registers on dump_registers=1
 // RUN: %clangxx  %s -o %t
-// RUN: %env_tool_opts=dump_registers=0 not %run %t 2>&1 | FileCheck %s --check-prefix=CHECK-NODUMP
-// RUN: not %run %t 2>&1 | FileCheck %s --check-prefix=CHECK-DUMP
+// RUN: %env_tool_opts=dump_registers=0 not %run %t 2>&1 | FileCheck %s --check-prefixes=CHECK-NODUMP --strict-whitespace
+// RUN: not %run %t 2>&1 | FileCheck %s --check-prefixes=CHECK-DUMP --strict-whitespace
 //
 // REQUIRES: x86_64-target-arch
 
@@ -13,7 +13,7 @@ int main() {
   // CHECK-DUMP-NEXT: rax = {{0x[0-9a-f]+}}  rbx = {{0x[0-9a-f]+}}  rcx = {{0x[0-9a-f]+}}  rdx = {{0x[0-9a-f]+}}
   // CHECK-DUMP-NEXT: rdi = {{0x[0-9a-f]+}}  rsi = {{0x[0-9a-f]+}}  rbp = {{0x[0-9a-f]+}}  rsp = {{0x[0-9a-f]+}}
   // CHECK-DUMP-NEXT:  r8 = {{0x[0-9a-f]+}}   r9 = {{0x[0-9a-f]+}}  r10 = {{0x[0-9a-f]+}}  r11 = {{0x[0-9a-f]+}}
-  // CHECK-DUMP-NEXT: r12 = {{0x[0-9a-f]+}}   r13 = {{0x[0-9a-f]+}} r14 = {{0x[0-9a-f]+}}  r15 = {{0x[0-9a-f]+}}
+  // CHECK-DUMP-NEXT: r12 = {{0x[0-9a-f]+}}  r13 = {{0x[0-9a-f]+}}  r14 = {{0x[0-9a-f]+}}  r15 = {{0x[0-9a-f]+}}
   // CHECK-NODUMP-NOT: Register values
   return 0;
 }