https://gcc.gnu.org/g:c9af86f175708cd412d179b78d308693ac3744ef

commit r16-9117-gc9af86f175708cd412d179b78d308693ac3744ef
Author: Andrew Pinski <[email protected]>
Date:   Sun Apr 19 22:05:10 2026 -0700

    c++: Fix handling of && after a class definition [PR65271]
    
    After r166977, we are wrongly rejecting:
    struct {} && m = {};
    because our code to diagnose a missing ; after a class definition doesn't
    realize that && can follow a class definition.
    
    This is simlar in nature to what was done for `::` in 
r12-8304-g851031b2fcd5210b9676.
    
    Bootstrapped and tested on x86_64-linux-gnu.
    
    Changes since v1:
    * v2: Remove the check on c++11 and add a few more testcases.
    * v3: Move CPP_AND_AND right below CPP_AND_AND and add enum case to the 
testcase.
    
            PR c++/65271
    
    gcc/cp/ChangeLog:
    
            * parser.cc (cp_parser_class_specifier): Accept &&.
    
    gcc/testsuite/ChangeLog:
    
            * g++.dg/cpp0x/rv-decl1.C: New test.
    
    Signed-off-by: Andrew Pinski <[email protected]>
    (cherry picked from commit 44c5485dac70d7f0d62e880b1162d49805404ed8)

Diff:
---
 gcc/cp/parser.cc                      | 1 +
 gcc/testsuite/g++.dg/cpp0x/rv-decl1.C | 7 +++++++
 2 files changed, 8 insertions(+)

diff --git a/gcc/cp/parser.cc b/gcc/cp/parser.cc
index f44450519ae3..d52f5c97039c 100644
--- a/gcc/cp/parser.cc
+++ b/gcc/cp/parser.cc
@@ -29826,6 +29826,7 @@ cp_parser_class_specifier (cp_parser* parser)
       case CPP_SEMICOLON:
       case CPP_MULT:
       case CPP_AND:
+      case CPP_AND_AND:
       case CPP_OPEN_PAREN:
       case CPP_CLOSE_PAREN:
       case CPP_COMMA:
diff --git a/gcc/testsuite/g++.dg/cpp0x/rv-decl1.C 
b/gcc/testsuite/g++.dg/cpp0x/rv-decl1.C
new file mode 100644
index 000000000000..16c4cb31959d
--- /dev/null
+++ b/gcc/testsuite/g++.dg/cpp0x/rv-decl1.C
@@ -0,0 +1,7 @@
+// PR c++/65271
+// { dg-do compile { target c++11 } }
+
+struct {} && m0 = {};
+union  {} && m1 = {};
+class  {} && m2 = {};
+enum   {} && m3 = {};

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