infinite loop in 18.csetjmp and 18.setjmp tests
-----------------------------------------------

                 Key: STDCXX-654
                 URL: https://issues.apache.org/jira/browse/STDCXX-654
             Project: C++ Standard Library
          Issue Type: Bug
          Components: Tests
    Affects Versions: 4.2.0
            Reporter: Martin Sebor
             Fix For: 4.2.1


The two tests, 18.csetjmp and 18.setjmp, appear to time out in nightly optimzied builds with gcc on Linux.

Compiling 18.setjmp.cpp with gcc 4.1.2 on Fedora Core 6 in an 8D configuration and running it shows the following output (repeated until killed):

# INFO (S1) (10 lines):
# TEXT: 
# COMPILER: gcc 4.1.2, __VERSION__ = "4.1.2 20070626 (Red Hat 4.1.2-13)"
# ENVIRONMENT: x86_64/LP64 running linux-elf (Fedora Core release 6 (Zod)) with 
glibc 2.5
# FILE: 18.setjmp.cpp
# COMPILED: Nov  7 2007, 19:09:14
# COMMENT: header <setjmp.h>
############################################################

# CLAUSE: support.runtime

# ASSERTION (S7) (4 lines):
# TEXT: longjmp(..., 1) returned 2 from setjmp()
# CLAUSE: support.runtime
# LINE: 84

# ASSERTION (S7) (4 lines):
# TEXT: longjmp(..., 1) returned 2 from setjmp()
# CLAUSE: support.runtime
# LINE: 84

# ASSERTION (S7) (4 lines):
# TEXT: longjmp(..., 1) returned 2 from setjmp()
# CLAUSE: support.runtime
# LINE: 84

^C


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