[LLVMbugs] [Bug 7258] New: Bogus throw specification error

bugzilla-daemon at llvm.org bugzilla-daemon at llvm.org
Sun May 30 03:09:18 PDT 2010


           Summary: Bogus throw specification error
           Product: clang
           Version: trunk
          Platform: Macintosh
        OS/Version: MacOS X
            Status: NEW
          Severity: normal
          Priority: P
         Component: C++
        AssignedTo: unassignedclangbugs at nondot.org
        ReportedBy: luc_j_bourhis at mac.com
                CC: llvmbugs at cs.uiuc.edu, dgregor at apple.com

~> clang++ --version         
clang version 2.0 (trunk 105014)
Target: x86_64-apple-darwin10
Thread model: posix

~> cat throw_specs_ok.cpp                              
struct A
  virtual ~A() throw() { }

struct B : A

~> clang++ -c throw_specs_ok.cpp && echo "fine"

~> cat throw_specs_fail.cpp 
template <typename T>
struct A
  virtual ~A() throw() { }

struct B : A<double>

~> clang++ -c throw_specs_fail.cpp
throw_specs.cpp:7:8: error: exception specification of overriding function is
more lax than base version
struct B : A<double>
throw_specs.cpp:4:11: note: overridden virtual function is here
  virtual ~A() throw() { }
1 error generated.

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