* gcc.dg/dll-1.c: Remove thumb target. Change exp to _exp.
* gcc.dg/dll-2.c: Enable for cygwin and mingw. Remove
thumb target,
* gcc.dg/dll-3.c: Likewise. Adjust scan-assembler
to accept newer _imp__ prefix and additional
newline in .drectve section.
* gcc.dg/dll-4.c: Likewise.
* gcc.dg/dll-5.c: New file to test -mnop-fun-dllimport
switch.
From-SVN: r64337
