1 files changed, 10 insertions, 0 deletions
diff --git a/absl/debugging/internal/demangle.cc b/absl/debugging/internal/demangle.cc
index e9edd4f8..7ce14713 100644
--- a/absl/debugging/internal/demangle.cc
+++ b/absl/debugging/internal/demangle.cc
@@ -1978,6 +1978,7 @@ static bool ParseBracedExpression(State *state) {
 //              ::= <function-param>
 //              ::= sZ <template-param>
 //              ::= sZ <function-param>
+//              ::= sP <template-arg>* E
 //              ::= <expr-primary>
 //              ::= dt <expression> <unresolved-name> # expr.name
 //              ::= pt <expression> <unresolved-name> # expr->name
@@ -2109,6 +2110,15 @@ static bool ParseExpression(State *state) {
   }
   state->parse_state = copy;
 
+  // sizeof...(pack) captured from an alias template
+  //
+  // <expression> ::= sP <template-arg>* E
+  if (ParseTwoCharToken(state, "sP") && ZeroOrMore(ParseTemplateArg, state) &&
+      ParseOneCharToken(state, 'E')) {
+    return true;
+  }
+  state->parse_state = copy;
+
   // Unary folds (... op pack) and (pack op ...).
   //
   // <expression> ::= fl <binary operator-name> <expression>