Incorrect warning

[Bjorn Pettersen]

I've discovered an incorrect warning about using enumerations in array
new expressions when compiling with -Wall -pedantic.

The following code:

  int* f() {
    enum {s=10};
    int* b = new int[s];
    return b;
  }

Gives the following warning:

  warning: size in array new must have integral type

Section 5.3.4 of the standard defines direct-new-declarator as:

  direct-new-declarator:
             [ expression ]
             direct-new-declarator [ constant-expression ]

and, 5.19.1 goes on to say

  An integral constant-expression can involve only literals 
  (lex.literal), enumerators, const ...

gcc -v gives:

  gcc version 2.95.2 19991024 (release)

Sincerely,
Bjorn Pettersen
Tech Lead, Tools.h++
Rogue Wave Software, Inc.