Only c++ class arguments with non trivial constructor or destructor needs a reference. 
C struct arguments do not need this adjustment.
This fixes 7 failures in callfuncs.exp from gdb testsuite.


git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@125615 91177308-0d34-0410-b5e6-96231b3b80d8
1 file changed