REF: JVB GFTN-005<br>
File: <a href="spec_expr_test.f90">spec_expr_test.f90</a><br>
Example:<pre>
C:\gfortran_stuff\James\test\achar_test>gfortran -std=f95 spec_expr_test.f90 -os
pec_expr_test
spec_expr_test.f90: In function 'f':
spec_expr_test.f90:4: warning: Function does not return a value

C:\gfortran_stuff\James\test\achar_test>spec_expr_test
At line 16 of file spec_expr_test.f90
Fortran runtime error: Internal: Possible double free of temporary.

C:\gfortran_stuff\James\test\achar_test>gfortran -v
Using built-in specs.
Configured with: ../gcc/configure --prefix=/mingw --enable-languages=c,f95
Thread model: win32
gcc version 4.0.0 20050117 (experimental)
</pre>
Discussion: We can't properly torture the compiler if even the
simplest specification expressions cause a failure.<br>
XREF: <a href="http://gcc.gnu.org/bugzilla/show_bug.cgi?id=19574">PR19574</a>