[newlib-cygwin] Cygwin: update C++ dialect to gnu++14

[newlib-cygwin] Cygwin: update C++ dialect to gnu++14

[Corinna Vinschen]

https://sourceware.org/git/gitweb.cgi?p=newlib-cygwin.git;h=d6242d87336d7f06691d1e1d9a3ce9324fd9903c

commit d6242d87336d7f06691d1e1d9a3ce9324fd9903c
Author: Corinna Vinschen <corinna@vinschen.de>
Date:   Sat May 30 19:41:18 2020 +0200

    Cygwin: update C++ dialect to gnu++14
    
    Disable -std option since gnu++14 is default anyway, but keep
    it available as comment.
    
    Update dynamic exception specifications deprecated with
    C++11 to C++11-introduced noexcept expression.
    
    Signed-off-by: Corinna Vinschen <corinna@vinschen.de>

Diff:
---
 winsup/cygwin/Makefile.in                |  2 +-
 winsup/cygwin/lib/_cygwin_crt0_common.cc | 16 ++++++++--------
 winsup/cygwin/libstdcxx_wrapper.cc       | 32 ++++++++++++++++----------------
 3 files changed, 25 insertions(+), 25 deletions(-)

diff --git a/winsup/cygwin/Makefile.in b/winsup/cygwin/Makefile.in
index 0ec90de58..9bbdf8cc3 100644
--- a/winsup/cygwin/Makefile.in
+++ b/winsup/cygwin/Makefile.in
@@ -77,7 +77,7 @@ COMMON_CFLAGS=-MMD ${$(*F)_CFLAGS} -Werror -fmerge-constants -ftracer $(CCEXTRA)
 ifeq ($(target_cpu),x86_64)
 COMMON_CFLAGS+=-mcmodel=small
 endif
-COMPILE.cc+=${COMMON_CFLAGS} -std=gnu++98
+COMPILE.cc+=${COMMON_CFLAGS} # -std=gnu++14
 COMPILE.c+=${COMMON_CFLAGS}
 
 AR:=@AR@
diff --git a/winsup/cygwin/lib/_cygwin_crt0_common.cc b/winsup/cygwin/lib/_cygwin_crt0_common.cc
index c7e4eeac4..025e2f2ee 100644
--- a/winsup/cygwin/lib/_cygwin_crt0_common.cc
+++ b/winsup/cygwin/lib/_cygwin_crt0_common.cc
@@ -34,21 +34,21 @@ details. */
    references to these operators toward the redirectors in the Cygwin DLL; this
    way we can record what definitions were visible at final link time but still
    send all calls to the redirectors.  */
-extern WEAK void *operator new(std::size_t sz) throw (std::bad_alloc)
+extern WEAK void *operator new(std::size_t sz) noexcept (false)
 			__asm__ (REAL_ZNWX);
-extern WEAK void *operator new[](std::size_t sz) throw (std::bad_alloc)
+extern WEAK void *operator new[](std::size_t sz) noexcept (false)
 			__asm__ (REAL_ZNAX);
-extern WEAK void operator delete(void *p) throw()
+extern WEAK void operator delete(void *p) noexcept (true)
 			__asm__ (REAL_ZDLPV);
-extern WEAK void operator delete[](void *p) throw()
+extern WEAK void operator delete[](void *p) noexcept (true)
 			__asm__ (REAL_ZDAPV);
-extern WEAK void *operator new(std::size_t sz, const std::nothrow_t &nt) throw()
+extern WEAK void *operator new(std::size_t sz, const std::nothrow_t &nt) noexcept (true)
 			__asm__ (REAL_ZNWX_NOTHROW_T);
-extern WEAK void *operator new[](std::size_t sz, const std::nothrow_t &nt) throw()
+extern WEAK void *operator new[](std::size_t sz, const std::nothrow_t &nt) noexcept (true)
 			__asm__ (REAL_ZNAX_NOTHROW_T);
-extern WEAK void operator delete(void *p, const std::nothrow_t &nt) throw()
+extern WEAK void operator delete(void *p, const std::nothrow_t &nt) noexcept (true)
 			__asm__ (REAL_ZDLPV_NOTHROW_T);
-extern WEAK void operator delete[](void *p, const std::nothrow_t &nt) throw()
+extern WEAK void operator delete[](void *p, const std::nothrow_t &nt) noexcept (true)
 			__asm__ (REAL_ZDAPV_NOTHROW_T);
 
 /* Avoid an info message from linker when linking applications.  */
diff --git a/winsup/cygwin/libstdcxx_wrapper.cc b/winsup/cygwin/libstdcxx_wrapper.cc
index 6cd4c754d..2c41b3759 100644
--- a/winsup/cygwin/libstdcxx_wrapper.cc
+++ b/winsup/cygwin/libstdcxx_wrapper.cc
@@ -32,67 +32,67 @@ details.  */
 #define MANGLED_ZNAX_NOTHROW_T		"___wrap__ZnajRKSt9nothrow_t"
 #endif
 
-extern void *operator new(std::size_t sz) throw (std::bad_alloc)
+extern void *operator new(std::size_t sz) noexcept (false)
 			__asm__ (MANGLED_ZNWX);
-extern void *operator new[](std::size_t sz) throw (std::bad_alloc)
+extern void *operator new[](std::size_t sz) noexcept (false)
 			__asm__ (MANGLED_ZNAX);
-extern void operator delete(void *p) throw()
+extern void operator delete(void *p) noexcept (true)
 			__asm__ (_SYMSTR (__wrap__ZdlPv));
-extern void operator delete[](void *p) throw()
+extern void operator delete[](void *p) noexcept (true)
 			__asm__ (_SYMSTR (__wrap__ZdaPv));
-extern void *operator new(std::size_t sz, const std::nothrow_t &nt) throw()
+extern void *operator new(std::size_t sz, const std::nothrow_t &nt) noexcept (true)
 			__asm__ (MANGLED_ZNWX_NOTHROW_T);
-extern void *operator new[](std::size_t sz, const std::nothrow_t &nt) throw()
+extern void *operator new[](std::size_t sz, const std::nothrow_t &nt) noexcept (true)
 			__asm__ (MANGLED_ZNAX_NOTHROW_T);
-extern void operator delete(void *p, const std::nothrow_t &nt) throw()
+extern void operator delete(void *p, const std::nothrow_t &nt) noexcept (true)
 			__asm__ (_SYMSTR (__wrap__ZdlPvRKSt9nothrow_t));
-extern void operator delete[](void *p, const std::nothrow_t &nt) throw()
+extern void operator delete[](void *p, const std::nothrow_t &nt) noexcept (true)
 			__asm__ (_SYMSTR (__wrap__ZdaPvRKSt9nothrow_t));
 
 extern void *
-operator new(std::size_t sz) throw (std::bad_alloc)
+operator new(std::size_t sz) noexcept (false)
 {
   return (*user_data->cxx_malloc->oper_new) (sz);
 }
 
 extern void *
-operator new[](std::size_t sz) throw (std::bad_alloc)
+operator new[](std::size_t sz) noexcept (false)
 {
   return (*user_data->cxx_malloc->oper_new__) (sz);
 }
 
 extern void
-operator delete(void *p) throw()
+operator delete(void *p) noexcept (true)
 {
   (*user_data->cxx_malloc->oper_delete) (p);
 }
 
 extern void
-operator delete[](void *p) throw()
+operator delete[](void *p) noexcept (true)
 {
   (*user_data->cxx_malloc->oper_delete__) (p);
 }
 
 extern void *
-operator new(std::size_t sz, const std::nothrow_t &nt) throw()
+operator new(std::size_t sz, const std::nothrow_t &nt) noexcept (true)
 {
   return (*user_data->cxx_malloc->oper_new_nt) (sz, nt);
 }
 
 extern void *
-operator new[](std::size_t sz, const std::nothrow_t &nt) throw()
+operator new[](std::size_t sz, const std::nothrow_t &nt) noexcept (true)
 {
   return (*user_data->cxx_malloc->oper_new___nt) (sz, nt);
 }
 
 extern void
-operator delete(void *p, const std::nothrow_t &nt) throw()
+operator delete(void *p, const std::nothrow_t &nt) noexcept (true)
 {
   (*user_data->cxx_malloc->oper_delete_nt) (p, nt);
 }
 
 extern void
-operator delete[](void *p, const std::nothrow_t &nt) throw()
+operator delete[](void *p, const std::nothrow_t &nt) noexcept (true)
 {
   (*user_data->cxx_malloc->oper_delete___nt) (p, nt);
 }