[LLVMbugs] [Bug 19593] New: bad diagnostic on "this" as parameter name

[bugzilla-daemon at llvm.org]

http://llvm.org/bugs/show_bug.cgi?id=19593

            Bug ID: 19593
           Summary: bad diagnostic on "this" as parameter name
           Product: clang
           Version: trunk
          Hardware: PC
                OS: All
            Status: NEW
          Severity: normal
          Priority: P
         Component: C++
          Assignee: unassignedclangbugs at nondot.org
          Reporter: nlewycky at google.com
                CC: dgregor at apple.com, llvmbugs at cs.uiuc.edu
    Classification: Unclassified

Testcase:

struct A {
 static void B(A* this) {}
};

$ clang a.cc
a.cc:2:19: error: expected ')'
 static void B(A* this) {}
                  ^
a.cc:2:15: note: to match this '('
 static void B(A* this) {}
              ^
1 error generated.

We could have errored on the attempt to use the "this" keyword as a variable
name, then created the variable anyways.

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