Export of internal Abseil changes

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1e25fb5996193524bf2f75781f1e6bdcdf972a3a by Gennadiy Rozental <rogeeff@google.com>:

Introduce enums to represent lower and upper thresholds for LogSeverity.

PiperOrigin-RevId: 417414673

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abfddb3a6ad8ce4849fbb6dadb34d7d6295def0f by Abseil Team <absl-team@google.com>:

Restore __arch64__ macro check for SPARC

PiperOrigin-RevId: 416798208

PiperOrigin-RevId: 416688543
GitOrigin-RevId: 1e25fb5996193524bf2f75781f1e6bdcdf972a3a
Change-Id: I424dd98e5e07420d5f9dfd191f2bfc06036e2bd1

1 files changed, 26 insertions, 0 deletions

diff --git a/absl/base/log_severity.cc b/absl/base/log_severity.cc
index 72312afd..de26b06e 100644
--- a/absl/base/log_severity.cc
+++ b/absl/base/log_severity.cc
@@ -23,5 +23,31 @@ std::ostream& operator<<(std::ostream& os, absl::LogSeverity s) {
   if (s == absl::NormalizeLogSeverity(s)) return os << absl::LogSeverityName(s);
   return os << "absl::LogSeverity(" << static_cast<int>(s) << ")";
 }
+
+std::ostream& operator<<(std::ostream& os, absl::LogSeverityAtLeast s) {
+  switch (s) {
+    case absl::LogSeverityAtLeast::kInfo:
+    case absl::LogSeverityAtLeast::kWarning:
+    case absl::LogSeverityAtLeast::kError:
+    case absl::LogSeverityAtLeast::kFatal:
+      return os << ">=" << static_cast<absl::LogSeverity>(s);
+    case absl::LogSeverityAtLeast::kInfinity:
+      return os << "INFINITY";
+  }
+  return os;
+}
+
+std::ostream& operator<<(std::ostream& os, absl::LogSeverityAtMost s) {
+  switch (s) {
+    case absl::LogSeverityAtMost::kInfo:
+    case absl::LogSeverityAtMost::kWarning:
+    case absl::LogSeverityAtMost::kError:
+    case absl::LogSeverityAtMost::kFatal:
+      return os << "<=" << static_cast<absl::LogSeverity>(s);
+    case absl::LogSeverityAtMost::kNegativeInfinity:
+      return os << "NEGATIVE_INFINITY";
+  }
+  return os;
+}
 ABSL_NAMESPACE_END
 }  // namespace absl