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From: "laurent at guerby dot net" <gcc-bugzilla@gcc.gnu.org>
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Subject: [Bug ada/47056] [4.6 Regression] 10 Ada ACATS tests fail to link with undefined reference on ia64-linux
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http://gcc.gnu.org/bugzilla/show_bug.cgi?id=47056

--- Comment #2 from Laurent GUERBY <laurent at guerby dot net> 2010-12-28 08:48:11 UTC ---
Reduced test case:

procedure C390002 is
    type Object is tagged null record;
begin
   null;
end C390002;

guerby@Babe:~/tmp$ gnatmake -f -O1 c390002.adb
gcc -c -O1 c390002.adb
gnatbind -x c390002.ali
gnatlink c390002.ali -O1
./c390002.o: In function `_ada_c390002':
c390002.adb:(.text+0x661): undefined reference to `c390002___alignment.1835'
c390002.adb:(.text+0x6a1): undefined reference to `c390002__objectSR.1844'
c390002.adb:(.text+0x6e1): undefined reference to `c390002__objectSW.1850'
c390002.adb:(.text+0x771): undefined reference to `c390002__objectSO.1861'
c390002.adb:(.text+0x7b1): undefined reference to `c390002__Oeq.1865'
c390002.adb:(.text+0x7f1): undefined reference to `c390002___assign.1869'
c390002.adb:(.text+0x831): undefined reference to `c390002__objectDA.1887'
c390002.adb:(.text+0x871): undefined reference to `c390002__objectDF.1891'
collect2: ld returned 1 exit status
gnatlink: error when calling /home/guerby/install-trunk/bin/gcc
gnatmake: *** link failed.
guerby@Babe:~/tmp$ gnatmake -f -O0 c390002.adb
gcc -c -O0 c390002.adb
gnatbind -x c390002.ali
gnatlink c390002.ali -O0
guerby@Babe:~/tmp$