Declare Rust demangling feature-complete.

PiperOrigin-RevId: 647417773
Change-Id: I7d945ae27199262b3baf83b232d17c2f641a27ac

absl/debugging/internal/demangle.h

@@ -56,7 +56,8 @@ namespace debugging_internal {
 //
 // See the unit test for more examples.
 //
-// Support for Rust mangled names is in development; see demangle_rust.h.
+// Demangle also recognizes Rust mangled names by delegating the parsing of
+// anything that starts with _R to DemangleRustSymbolEncoding (demangle_rust.h).
 //
 // Note: we might want to write demanglers for ABIs other than Itanium
 // C++ ABI in the future.

absl/debugging/internal/demangle_rust.h

@@ -32,9 +32,6 @@ namespace debugging_internal {
 // DemangleRustSymbolEncoding is async-signal-safe and runs in bounded C++
 // call-stack space.  It is suitable for symbolizing stack traces in a signal
 // handler.
-//
-// The demangling logic is under development; search for "not yet implemented"
-// in the .cc file to see where the gaps are.
 bool DemangleRustSymbolEncoding(const char* mangled, char* out,
                                 size_t out_size);