gcc/8.2.0 compilation failures about openaccv-v

[utimatu]

Ok, so I have addressed some of these by making changes to the tests. Thanks again for pointing these things out! The issues in described in the following sections have been fixed in the tests:

• 'c' appears more than once
• 'tile' argument
• array section
• 'c' undeclared

The rest, I believe I have explanations for their failures in some regard:

• Undefined References:
  GCC has not kept up with the runtime library. It makes sense that these might go longer without being supported since they lose the benefit of using a directive based language. These are not hard to bypass by implementing them yourself by defining each one to be a function that contains the directive form of the runtime routine.

• expected ')':
  GCC doesn't allow pointer array subsections as a variable in a "var-list". So when it sees the array bounds, it doesn't accept it as a proper argument to the firstprivate/private clauses. The definition for a var is found on line 3418 on page 126 in the 2.7 specifications. The variable is allowed to be a subarray specification. Section 2.7.1 describes data specification in data clauses and suggests in many ways that pointers and arrays are interchangeable in C.

• INTERNAL-COMPILER-ERROR:
  This shouldn't happen. This is a compiler error, as it itself recognizes. Can't help you much here.

• 'tile' argument:
  I bring this one up again, because once I made the fix, It still failed to complete in my next run. There might still be an issue in it, but I didn't see anything that was readily apparent.

• expected clause before finalize:
  This one I don't know. Last time I ran on GCC, it didn't recognize the finalize clause as syntactically valid. It seems to now accept it, but with some bugs. I don't think that my usage of it is incorrect.

• array section is not contiguous:
  I don't think that this is an issue with me. The data seems to fit the requirements of a multidimensional array as described in lines 1086-1091, page 37 of the 2.7 specifications.