[LLVMbugs] [Bug 7400] New: Exception std::bad_typeid throw by typeid not caught correctly.

bugzilla-daemon at llvm.org bugzilla-daemon at llvm.org
Thu Jun 17 14:14:02 PDT 2010


           Summary: Exception std::bad_typeid throw by typeid not caught
           Product: clang
           Version: trunk
          Platform: PC
        OS/Version: All
            Status: NEW
          Severity: normal
          Priority: P
         Component: LLVM Codegen
        AssignedTo: unassignedclangbugs at nondot.org
        ReportedBy: pasi.parviainen at iki.fi
                CC: llvmbugs at cs.uiuc.edu

Exception std::bad_typeid thrown by typeid is not caught by nearest catch
block. This seems to be similar problem with CodGen as it was with dynamic_cast
throwing std::bad_cast as described in PR7059 and PR7132.

Here is results for clang and gcc for failing example:

> clang++ -v
clang version 2.0 (trunk 106103)
Target: x86_64-unknown-freebsd8.0
Thread model: posix
> clang++ bad_typeid.cpp
> ./a.out
std::bad_typeid: Failure
> g++ -v
Using built-in specs.
Target: amd64-undermydesk-freebsd
Configured with: FreeBSD/amd64 system compiler
Thread model: posix
gcc version 4.2.1 20070719  [FreeBSD]
> g++ bad_typeid.cpp
> ./a.out
std::bad_typeid: Success

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