Remove deprecated errno constants from the absl::Status mapping

ENOSTR, ETIME, ENODATA, and ENOSR are deprecated by POSIX and C++23.

This change also turns on the deprecation warnings used by Chromium.

See also:
https://wg21.link/LWG3869
https://github.com/llvm/llvm-project/pull/80542
https://buganizer.corp.google.com/issues/331100926

PiperOrigin-RevId: 619551374
Change-Id: Ica8d5008cbee52ce88d58a1fcb79dbe794045bae

absl/copts/GENERATED_AbseilCopts.cmake

@@ -88,6 +88,7 @@ list(APPEND ABSL_LLVM_FLAGS
     "-Wcast-qual"
     "-Wconversion"
     "-Wdead-code-aggressive"
+    "-Wdeprecated-pragma"
     "-Wfloat-overflow-conversion"
     "-Wfloat-zero-conversion"
     "-Wfor-loop-analysis"
@@ -128,6 +129,7 @@ list(APPEND ABSL_LLVM_TEST_FLAGS
     "-Wcast-qual"
     "-Wconversion"
     "-Wdead-code-aggressive"
+    "-Wdeprecated-pragma"
     "-Wfloat-overflow-conversion"
     "-Wfloat-zero-conversion"
     "-Wfor-loop-analysis"

absl/copts/GENERATED_copts.bzl

@@ -89,6 +89,7 @@ ABSL_LLVM_FLAGS = [
     "-Wcast-qual",
     "-Wconversion",
     "-Wdead-code-aggressive",
+    "-Wdeprecated-pragma",
     "-Wfloat-overflow-conversion",
     "-Wfloat-zero-conversion",
     "-Wfor-loop-analysis",
@@ -129,6 +130,7 @@ ABSL_LLVM_TEST_FLAGS = [
     "-Wcast-qual",
     "-Wconversion",
     "-Wdead-code-aggressive",
+    "-Wdeprecated-pragma",
     "-Wfloat-overflow-conversion",
     "-Wfloat-zero-conversion",
     "-Wfor-loop-analysis",

absl/copts/copts.py

@@ -48,6 +48,7 @@ ABSL_LLVM_FLAGS = [
     "-Wcast-qual",
     "-Wconversion",
     "-Wdead-code-aggressive",
+    "-Wdeprecated-pragma",
     "-Wfloat-overflow-conversion",
     "-Wfloat-zero-conversion",
     "-Wfor-loop-analysis",

absl/status/status.cc

@@ -273,14 +273,12 @@ StatusCode ErrnoToStatusCode(int error_number) {
     case EFAULT:        // Bad address
     case EILSEQ:        // Illegal byte sequence
     case ENOPROTOOPT:   // Protocol not available
-    case ENOSTR:        // Not a STREAM
     case ENOTSOCK:      // Not a socket
     case ENOTTY:        // Inappropriate I/O control operation
     case EPROTOTYPE:    // Protocol wrong type for socket
     case ESPIPE:        // Invalid seek
       return StatusCode::kInvalidArgument;
     case ETIMEDOUT:  // Connection timed out
-    case ETIME:      // Timer expired
       return StatusCode::kDeadlineExceeded;
     case ENODEV:  // No such device
     case ENOENT:  // No such file or directory
@@ -339,9 +337,7 @@ StatusCode ErrnoToStatusCode(int error_number) {
     case EMLINK:   // Too many links
     case ENFILE:   // Too many open files in system
     case ENOBUFS:  // No buffer space available
-    case ENODATA:  // No message is available on the STREAM read queue
     case ENOMEM:   // Not enough space
-    case ENOSR:    // No STREAM resources
 #ifdef EUSERS
     case EUSERS:  // Too many users
 #endif