c++/10307: constructor for static object of template omitted

[kilpatds at oppositelock dot org]

>Number:         10307
>Category:       c++
>Synopsis:       constructor for static object of template omitted
>Confidential:   no
>Severity:       serious
>Priority:       medium
>Responsible:    unassigned
>State:          open
>Class:          wrong-code
>Submitter-Id:   net
>Arrival-Date:   Thu Apr 03 21:46:00 UTC 2003
>Closed-Date:
>Last-Modified:
>Originator:     kilpatds at oppositelock dot org
>Release:        unknown-1.0
>Organization:
>Environment:
$ gcc -v
Reading specs from /usr/lib/gcc-lib/i386-redhat-linux/3.2/specs
Configured with: ../configure --prefix=/usr --mandir=/usr/share/man --infodir=/usr/share/info --enable-shared --enable-threads=posix --disable-checking --host=i386-redhat-linux --with-system-zlib --enable-__cxa_atexit
Thread model: posix
gcc version 3.2 20020903 (Red Hat Linux 8.0 3.2-7)
$ rpm -q gcc
gcc-3.2-7
$ rpm -q redhat-release
redhat-release-8.0-8
>Description:
The Base class has a static member with a constructor.
The member only exists for the side effects (registration).
The constructor of the static object is not being called.

I can "force" the constructor to be invoked by having it
modify a data element I read (and ignore) elsewhere.

As per the submission guidelines, I have attached the 
preprocessed files, but it only includes stdio.h

The hackaround addes a public integer "i" to StaticReg,
and sets it to 0 in the constructor of "derived"
$ diff -u Foo.ii Foo-hack.ii
--- Foo.ii      2003-04-03 16:41:22.000000000 -0500
+++ Foo-hack.ii 2003-04-03 16:41:55.000000000 -0500
@@ -1132,8 +1132,8 @@

 class StaticReg {

-
-
+    public:
+        int i;

     public:
         StaticReg() {
@@ -1154,7 +1154,7 @@
     public:
     derived() {

-
+        sr.i = 0;

         fputs("World", stdout);
     }
>How-To-Repeat:
$ make Foo Foo-hack
c++ -O2 --save-temps -o Foo Foo.cc
c++ -O2 -DHACKAROUND=1 -o Foo-hack Foo.cc
$ ./Foo
World
$ ./Foo-hack
Hello World
>Fix:
No clue.  Temporary hack around provided above.
>Release-Note:
>Audit-Trail:
>Unformatted:
----gnatsweb-attachment----
Content-Type: application/octet-stream; name="Foo.ii"
Content-Transfer-Encoding: base64
Content-Disposition: attachment; filename="Foo.ii"

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