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From: martin@xemacs.org To: gcc-gnats@gcc.gnu.org Subject: c++/9338: ICE in peculiar templated constructors Date: Thu, 16 Jan 2003 09:36:00 -0000 [thread overview] Message-ID: <20030116092931.17404.qmail@sources.redhat.com> (raw) >Number: 9338 >Category: c++ >Synopsis: ICE in peculiar templated constructors >Confidential: no >Severity: serious >Priority: medium >Responsible: unassigned >State: open >Class: ice-on-legal-code >Submitter-Id: net >Arrival-Date: Thu Jan 16 01:36:01 PST 2003 >Closed-Date: >Last-Modified: >Originator: Martin Buchholz >Release: gcc-3.2.1 >Organization: >Environment: Linux x86 >Description: The file below results in ICE g++ main.cc -o main main.cc: In function `int main(int, char**)': main.cc:36: internal error: Segmentation fault Please submit a full bug report, The file compiles (with warnings) under icc, but fails to link. ------------------------------------------------------ class Bool { public: const bool val_; template <class T, bool condition> struct Constraint; template <class T> struct Constraint<T,true> { typedef int Dummy; }; template <typename T> struct Convertible { enum { value = true }; }; template <typename T> explicit Bool (T x, typename Constraint<T, Convertible<T>::value>::Dummy = 0) : val_ (bool (x)) {} template <class T> struct Unlikely { enum { value = false }; }; template <typename T> explicit Bool (T x, typename Constraint<T, ! Convertible<T>::value>::Dummy = 0); template <typename T> Bool (T x, typename Constraint<T, ! Unlikely<T>::value>::Dummy = 0); Bool (bool val) : val_ (val) {} Bool (const Bool & val) : val_ (bool (val)) {} struct S_ { int M_; }; operator int S_::* () const { return val_ ? & S_::M_ : 0; } }; struct X { bool b; X (bool x) : b (x) {} struct S_ { int M_; }; operator int S_::* () const { return b ? & S_::M_ : 0; } }; int main (int argc, char *argv[]) { Bool b (X (true)); } >How-To-Repeat: g++ main.cc -o main >Fix: >Release-Note: >Audit-Trail: >Unformatted:
next reply other threads:[~2003-01-16 9:36 UTC|newest] Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top 2003-01-16 9:36 martin [this message] 2003-01-16 15:12 bangerth 2003-04-07 10:56 Giovanni Bajo
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