From be46c846f08d634e0f483ebe858d241babd69c8f Mon Sep 17 00:00:00 2001 From: paolo Date: Sun, 6 Jan 2008 22:30:32 +0000 Subject: [PATCH] gcc/ 2008-01-06 Paolo Carlini PR libstdc++/34680 * c-cppbuiltin.c (c_cpp_builtins): Define __GXX_RTTI, if appropriate. * doc/cpp.texi ([Common Predefined Macros]): Document. gcc/testsuite/ 2008-01-06 Paolo Carlini PR libstdc++/34680 * g++.dg/rtti/predefined-rtti-macro-1.C: New. * g++.dg/rtti/predefined-rtti-macro-2.C: Likewise. git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@131366 138bc75d-0d04-0410-961f-82ee72b054a4 --- gcc/ChangeLog | 6 ++++++ gcc/c-cppbuiltin.c | 2 ++ gcc/testsuite/ChangeLog | 6 ++++++ gcc/testsuite/g++.dg/rtti/predefined-rtti-macro-1.C | 12 ++++++++++++ gcc/testsuite/g++.dg/rtti/predefined-rtti-macro-2.C | 12 ++++++++++++ 5 files changed, 38 insertions(+) create mode 100644 gcc/testsuite/g++.dg/rtti/predefined-rtti-macro-1.C create mode 100644 gcc/testsuite/g++.dg/rtti/predefined-rtti-macro-2.C diff --git a/gcc/ChangeLog b/gcc/ChangeLog index 4561dba..0277695 100644 --- a/gcc/ChangeLog +++ b/gcc/ChangeLog @@ -1,3 +1,9 @@ +2008-01-06 Paolo Carlini + + PR libstdc++/34680 + * c-cppbuiltin.c (c_cpp_builtins): Define __GXX_RTTI, if appropriate. + * doc/cpp.texi ([Common Predefined Macros]): Document. + 2008-01-06 Uros Bizjak * config/i386/i386.c (ix86_emit_swsqrtsf): Use negative constants in diff --git a/gcc/c-cppbuiltin.c b/gcc/c-cppbuiltin.c index e201b05..86c3f9c 100644 --- a/gcc/c-cppbuiltin.c +++ b/gcc/c-cppbuiltin.c @@ -449,6 +449,8 @@ c_cpp_builtins (cpp_reader *pfile) cpp_define (pfile, "__GXX_WEAK__=0"); if (warn_deprecated) cpp_define (pfile, "__DEPRECATED"); + if (flag_rtti) + cpp_define (pfile, "__GXX_RTTI"); if (cxx_dialect == cxx0x) cpp_define (pfile, "__GXX_EXPERIMENTAL_CXX0X__"); } diff --git a/gcc/testsuite/ChangeLog b/gcc/testsuite/ChangeLog index d66912b..0a0db6b 100644 --- a/gcc/testsuite/ChangeLog +++ b/gcc/testsuite/ChangeLog @@ -1,3 +1,9 @@ +2008-01-06 Paolo Carlini + + PR libstdc++/34680 + * g++.dg/rtti/predefined-rtti-macro-1.C: New. + * g++.dg/rtti/predefined-rtti-macro-2.C: Likewise. + 2008-01-06 Paul Thomas PR fortran/34545 diff --git a/gcc/testsuite/g++.dg/rtti/predefined-rtti-macro-1.C b/gcc/testsuite/g++.dg/rtti/predefined-rtti-macro-1.C new file mode 100644 index 0000000..5c94bc1 --- /dev/null +++ b/gcc/testsuite/g++.dg/rtti/predefined-rtti-macro-1.C @@ -0,0 +1,12 @@ +// { dg-do compile } + +struct A { virtual ~A() { }; }; +struct B : A { }; + +void f(B* bp) +{ + bp = +#ifdef __GXX_RTTI + dynamic_cast(static_cast(0)); +#endif +} diff --git a/gcc/testsuite/g++.dg/rtti/predefined-rtti-macro-2.C b/gcc/testsuite/g++.dg/rtti/predefined-rtti-macro-2.C new file mode 100644 index 0000000..284f2f6 --- /dev/null +++ b/gcc/testsuite/g++.dg/rtti/predefined-rtti-macro-2.C @@ -0,0 +1,12 @@ +// { dg-do compile } +// { dg-options "-fno-rtti" } + +struct B { }; + +void f(B* bp) +{ + bp = +#ifndef __GXX_RTTI + static_cast(0); +#endif +} -- 2.7.4