[perl #112786] build broken under clang++

# New Ticket Created by  Craig A. Berry 
# Please include the string:  [perl #112786]
# in the subject line of all future correspondence about this issue. 
# <URL: https://rt.perl.org:443/rt3/Ticket/Display.html?id=112786 >


A line of code in sv.c last modified at <http://perl5.git.perl.org/perl.git/commit/c6fb3f6e3e5160581b78d87d4c62f42ef3cc0db5?f=sv.c> causes clang++ to fall down hard when building blead:

sv.c:13969:32: error: unexpected ':' in nested name specifier
        CV * const cv = gv ? (CV *)gv : find_runcv(NULL);
                                      ^
                                      ::
sv.c:13969:34: error: no member named 'Perl_find_runcv' in 'gv'
        CV * const cv = gv ? (CV *)gv : find_runcv(NULL);
                                   ~~~~ ^
./embed.h:137:24: note: expanded from macro 'find_runcv'
#define find_runcv(a)           Perl_find_runcv(aTHX_ a)
                                ^
sv.c:13969:50: error: expected ':'
        CV * const cv = gv ? (CV *)gv : find_runcv(NULL);
                                                        ^
                                                        : 
sv.c:13969:21: note: to match this '?'
        CV * const cv = gv ? (CV *)gv : find_runcv(NULL);
                           ^
sv.c:13969:50: error: expected expression
        CV * const cv = gv ? (CV *)gv : find_runcv(NULL);
                                                        ^
14 warnings and 4 errors generated.
make: *** [sv.o] Error 1


No -V output because I didn't get that far, but I configured with:

% ./Configure -Dcc=clang++ -Dusedevel -des && make

and here's the cranky compiler:

% clang++ --version
Apple clang version 3.1 (tags/Apple/clang-318.0.58) (based on LLVM 3.1svn)
Target: x86_64-apple-darwin11.3.0
Thread model: posix

________________________________________
Craig A. Berry
mailto:craigberry@mac.com

"... getting out of a sonnet is much more
 difficult than getting in."
                 Brad Leithauser

• [perl #112786] build broken under clang++ by Craig A . Berry