Export of internal Abseil changes.

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f4bb8afa9376b4120f56f3beff7b07260da4a5c2 by CJ Johnson <johnsoncj@google.com>:

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PiperOrigin-RevId: 209630262
GitOrigin-RevId: f4bb8afa9376b4120f56f3beff7b07260da4a5c2
Change-Id: I3fedf35011d805ee4a20b92e073b43523b47d15b

absl/debugging/internal/demangle.cc

@@ -340,7 +340,7 @@ static bool ZeroOrMore(ParseFunc parse_func, State *state) {
 }
 
 // Append "str" at "out_cur_idx".  If there is an overflow, out_cur_idx is
-// set to out_end_idx+1.  The output std::string is ensured to
+// set to out_end_idx+1.  The output string is ensured to
 // always terminate with '\0' as long as there is no overflow.
 static void Append(State *state, const char *const str, const int length) {
   for (int i = 0; i < length; ++i) {
@@ -840,7 +840,7 @@ static bool ParseNumber(State *state, int *number_out) {
 }
 
 // Floating-point literals are encoded using a fixed-length lowercase
-// hexadecimal std::string.
+// hexadecimal string.
 static bool ParseFloatNumber(State *state) {
   ComplexityGuard guard(state);
   if (guard.IsTooComplex()) return false;

absl/debugging/symbolize_test.cc

@@ -321,7 +321,7 @@ TEST(Symbolize, SymbolizeWithMultipleMaps) {
   }
 }
 
-// Appends std::string(*args->arg) to args->symbol_buf.
+// Appends string(*args->arg) to args->symbol_buf.
 static void DummySymbolDecorator(
     const absl::debugging_internal::SymbolDecoratorArgs *args) {
   std::string *message = static_cast<std::string *>(args->arg);