d_do_test: make used C++ compiler configurable
fix Issue 10633 - Win64: wrong codegen with %=
allocate a little less than 64kB per chunk to avoid larger allocations due to C runtime overhead
fix issue 10646 - [ICE] when casting dynamic array/static array to class
reference
Merge pull request #2347 from WalterBright/fix10633

fix Issue 10633 - Win64: wrong codegen with %=
updated comment regarding chunk size
fix Issue 10642 - Win64: wrong codegen comparing different sized integer arguments
Merge pull request #2351 from rainers/chunk_mem_align

Reduce memory overhead caused by chunk allocation
Merge pull request #2348 from hpohl/10646

fix issue 10646 - [ICE] when casting dynamic array/static array to class reference
Merge pull request #2342 from rainers/test_configure_cc

d_do_test: make used C++ compiler configurable
Merge pull request #2352 from WalterBright/fix10642-2

fix Issue 10642 - Win64: wrong codegen comparing different sized integer...
Fix up for refactor_funcall
Implement template overload set with basic test cases
fix Issue 1900 - Template overload sets & traits templates
fix Issue 7780 - Template mixin'd members do not properly overload
fix Issue 8352 - Wrong "__overloadset isn't a template" error
fix Issue 8441 - mixin containing template functions causes compiler errors
fix Issue 9235 - Template mixin doesn't allow to mixin non-conflicting overloads
ambiguous matching in one overload should be error
clean up DotTemplateInstanceExp::findTempDecl