possible operator precedence bug?

[Doug Gwyn]

In article <4700025 at m.cs.uiuc.edu> kenny at m.cs.uiuc.edu writes:
-	a ? b , c : d
-has no such problem.  There is no lexical confusion, particularly when
-the spaces that I show are supplied.  There is no ambiguity in the
-parse; the only syntactically correct interpretation is 
-	a ? (b , c) : d .
-Then, as long as c and d are type-compatible, and a can be coerced to
-an integral type, the expression has a meaningful interpretation
-semantically.  (The ice is thin if b and c are type-incompatible --
-does anyone know if the latest dpANS is clearer on this point?)

I don't see the issue.  b,c does not require type compatibility
for b and c.  That comma-expression has the type of c.  Type
compatibility constraints apply after the parse is already done.