[gcc r11-55] libstdc++: Fix the return type of __cxa_finalize

[Jonathan Wakely]

https://gcc.gnu.org/g:1405ed433443c7df22364ef8c6574bbf9b10b61a

commit r11-55-g1405ed433443c7df22364ef8c6574bbf9b10b61a
Author: Fangrui Song <maskray@google.com>
Date:   Mon May 4 23:07:19 2020 +0100

    libstdc++: Fix the return type of __cxa_finalize
    
    This should return void according to the Itanium C++ ABI.
    
    2020-05-04  Fangrui Song  <maskray@google.com>
    
            * libsupc++/cxxabi.h (__cxa_finalize): Fix return type.

Diff:
---
 libstdc++-v3/ChangeLog          | 4 ++++
 libstdc++-v3/libsupc++/cxxabi.h | 2 +-
 2 files changed, 5 insertions(+), 1 deletion(-)

diff --git a/libstdc++-v3/ChangeLog b/libstdc++-v3/ChangeLog
index a011ec5f45a..f4839debf76 100644
--- a/libstdc++-v3/ChangeLog
+++ b/libstdc++-v3/ChangeLog
@@ -1,3 +1,7 @@
+2020-05-04  Fangrui Song  <maskray@google.com>
+
+	* libsupc++/cxxabi.h (__cxa_finalize): Fix return type.
+
 2020-05-04  Jonathan Wakely  <jwakely@redhat.com>
 
 	* doc/xml/faq.xml: Use working link for SGI STL FAQ.
diff --git a/libstdc++-v3/libsupc++/cxxabi.h b/libstdc++-v3/libsupc++/cxxabi.h
index 50298205daa..000713ecdf8 100644
--- a/libstdc++-v3/libsupc++/cxxabi.h
+++ b/libstdc++-v3/libsupc++/cxxabi.h
@@ -127,7 +127,7 @@ namespace __cxxabiv1
   int
   __cxa_atexit(void (*)(void*), void*, void*) _GLIBCXX_NOTHROW;
 
-  int
+  void
   __cxa_finalize(void*);
 
   // TLS destruction.