Make EXPECT_DEATH_IF_SUPPORTED work with matchers

If death tests were not supported the macro would try
to force the second parameter as a string. The second
parameter can be a matcher or a string.

PiperOrigin-RevId: 633199517
Change-Id: If5e71b4be0b569adb273eb4960202197bb264a8f

googletest/include/gtest/gtest-death-test.h

@@ -293,8 +293,8 @@ class GTEST_API_ KilledBySignal {
 //                statement is compiled but not executed, to ensure that
 //                EXPECT_DEATH_IF_SUPPORTED compiles with a certain
 //                parameter if and only if EXPECT_DEATH compiles with it.
-//   regex     -  A regex that a macro such as EXPECT_DEATH would use to test
-//                the output of statement.  This parameter has to be
+//   regex_or_matcher -  A regex that a macro such as EXPECT_DEATH would use
+//                to test the output of statement.  This parameter has to be
 //                compiled but not evaluated by this macro, to ensure that
 //                this macro only accepts expressions that a macro such as
 //                EXPECT_DEATH would accept.
@@ -311,13 +311,13 @@ class GTEST_API_ KilledBySignal {
 //  statement unconditionally returns or throws. The Message constructor at
 //  the end allows the syntax of streaming additional messages into the
 //  macro, for compilational compatibility with EXPECT_DEATH/ASSERT_DEATH.
-#define GTEST_UNSUPPORTED_DEATH_TEST(statement, regex, terminator)             \
+#define GTEST_UNSUPPORTED_DEATH_TEST(statement, regex_or_matcher, terminator)  \
   GTEST_AMBIGUOUS_ELSE_BLOCKER_                                                \
   if (::testing::internal::AlwaysTrue()) {                                     \
     GTEST_LOG_(WARNING) << "Death tests are not supported on this platform.\n" \
                         << "Statement '" #statement "' cannot be verified.";   \
   } else if (::testing::internal::AlwaysFalse()) {                             \
-    ::testing::internal::RE::PartialMatch(".*", (regex));                      \
+    ::testing::internal::MakeDeathTestMatcher(regex_or_matcher);               \
     GTEST_SUPPRESS_UNREACHABLE_CODE_WARNING_BELOW_(statement);                 \
     terminator;                                                                \
   } else                                                                       \

googletest/include/gtest/internal/gtest-death-test-internal.h

@@ -46,6 +46,7 @@
 
 #include "gtest/gtest-matchers.h"
 #include "gtest/internal/gtest-internal.h"
+#include "gtest/internal/gtest-port.h"
 
 GTEST_DECLARE_string_(internal_run_death_test);
 
@@ -55,6 +56,28 @@ namespace internal {
 // Name of the flag (needed for parsing Google Test flag).
 const char kInternalRunDeathTestFlag[] = "internal_run_death_test";
 
+// A string passed to EXPECT_DEATH (etc.) is caught by one of these overloads
+// and interpreted as a regex (rather than an Eq matcher) for legacy
+// compatibility.
+inline Matcher<const ::std::string&> MakeDeathTestMatcher(
+    ::testing::internal::RE regex) {
+  return ContainsRegex(regex.pattern());
+}
+inline Matcher<const ::std::string&> MakeDeathTestMatcher(const char* regex) {
+  return ContainsRegex(regex);
+}
+inline Matcher<const ::std::string&> MakeDeathTestMatcher(
+    const ::std::string& regex) {
+  return ContainsRegex(regex);
+}
+
+// If a Matcher<const ::std::string&> is passed to EXPECT_DEATH (etc.), it's
+// used directly.
+inline Matcher<const ::std::string&> MakeDeathTestMatcher(
+    Matcher<const ::std::string&> matcher) {
+  return matcher;
+}
+
 #ifdef GTEST_HAS_DEATH_TEST
 
 GTEST_DISABLE_MSC_WARNINGS_PUSH_(4251 \
@@ -168,28 +191,6 @@ class DefaultDeathTestFactory : public DeathTestFactory {
 // by a signal, or exited normally with a nonzero exit code.
 GTEST_API_ bool ExitedUnsuccessfully(int exit_status);
 
-// A string passed to EXPECT_DEATH (etc.) is caught by one of these overloads
-// and interpreted as a regex (rather than an Eq matcher) for legacy
-// compatibility.
-inline Matcher<const ::std::string&> MakeDeathTestMatcher(
-    ::testing::internal::RE regex) {
-  return ContainsRegex(regex.pattern());
-}
-inline Matcher<const ::std::string&> MakeDeathTestMatcher(const char* regex) {
-  return ContainsRegex(regex);
-}
-inline Matcher<const ::std::string&> MakeDeathTestMatcher(
-    const ::std::string& regex) {
-  return ContainsRegex(regex);
-}
-
-// If a Matcher<const ::std::string&> is passed to EXPECT_DEATH (etc.), it's
-// used directly.
-inline Matcher<const ::std::string&> MakeDeathTestMatcher(
-    Matcher<const ::std::string&> matcher) {
-  return matcher;
-}
-
 // Traps C++ exceptions escaping statement and reports them as test
 // failures. Note that trapping SEH exceptions is not implemented here.
 #if GTEST_HAS_EXCEPTIONS