regression/cpp/virtual1 test failure

[jamesjer]

CBMC version: 5.12
Operating system: Linux (Fedora Rawhide)
Exact command line resulting in the issue: make check
What behaviour did you expect: test success
What happened instead: test failure

While building version 5.12 on an x86_64 Fedora Rawhide machine with gcc 10.1.1, the test suite reported a failure:

  ...
  Running virtual1/test.desc  [FAILED]
  Running windows_h_VS_2005/test.desc  [OK] in 4 seconds
  Running windows_h_VS_2008/test.desc  [OK] in 5 seconds
  Running windows_h_VS_2010/test.desc  [OK] in 4 seconds
  Running windows_h_VS_2012/test.desc  [OK] in 4 seconds

Tests failed
  1 of 96 tests failed, 3 tests skipped


Failed test: virtual1
/usr/include/bits/floatn.h:74:1: error: unexpected cpp type: complex
  * #source_location: 
    * file: /usr/include/bits/floatn.h
    * line: 74
  0: floatbv
      * width: 32
      * f: 23
      * #c_type: float
 typedef _Complex float __cfloat128 __attribute__ ((__mode__ (__TC__)));
CONVERSION ERROR

EXIT=1
SIGNAL=0



Failed test.desc lines:
^EXIT=0$ [FAILED]
^CONVERSION ERROR$ [FAILED]
make[2]: Leaving directory '/builddir/build/BUILD/cbmc-cbmc-5.12/regression/cpp'
make[2]: *** [Makefile:13: test] Error 1
make[1]: *** [Makefile:64: cpp] Error 1