From mboxrd@z Thu Jan 1 00:00:00 1970 From: Stephane.Carrez@sun.com To: gcc-gnats@gcc.gnu.org Subject: c++/3814: ICE in emit_move_insn in template instantiation with char[n] Date: Wed, 25 Jul 2001 07:16:00 -0000 Message-id: <20010725140849.18740.qmail@sourceware.cygnus.com> X-SW-Source: 2001-07/msg00677.html List-Id: >Number: 3814 >Category: c++ >Synopsis: ICE in emit_move_insn in template instantiation with char[n] >Confidential: no >Severity: serious >Priority: medium >Responsible: unassigned >State: open >Class: ice-on-legal-code >Submitter-Id: net >Arrival-Date: Wed Jul 25 07:16:03 PDT 2001 >Closed-Date: >Last-Modified: >Originator: Stephane.Carrez@sun.com >Release: gcc 3.0 >Organization: >Environment: SunOS cor 5.8 Generic sun4u sparc SUNW,Ultra-2 Reading specs from /export/home/ciceron/gnu-install/lib/gcc-lib/sparc-sun-solaris2.8/3.0/specs Configured with: /export/home/cvs/fsf/gcc-3.0/gcc/configure --prefix=/export/home/ciceron/gnu-install --enable-libgcj Thread model: posix gcc version 3.0 >Description: Gcc 3.0 crashes in template instantiation in: gcc -o t t.C -O -g t.C: In function `int main()': t.C:15: Internal compiler error in emit_move_insn, at expr.c:2711 Please submit a full bug report, with preprocessed source if appropriate. See for instructions. It is a regression because gcc 2.95.3 compiles correctly the program (running the prog is ok too). The crash seem to only occur with array types in the instantiation (ie, char[12]). #0 emit_move_insn (x=0x3f5890, y=0x3f5910) at /export/home/cvs/fsf/gcc-3.0/gcc/gcc/expr.c:2711 (gdb) call debug_rtx(x) (reg:BLK 107) (gdb) call debug_rtx(y) (subreg:BLK (reg:SI 108) 0) (gdb) >How-To-Repeat: >Fix: >Release-Note: >Audit-Trail: >Unformatted: ----gnatsweb-attachment---- Content-Type: application/octet-stream; name="t.C" Content-Transfer-Encoding: base64 Content-Disposition: attachment; filename="t.C" I2luY2x1ZGUgPHN0cmluZy5oPgojaW5jbHVkZSA8c3RkbGliLmg+Cgp0ZW1wbGF0ZTxjbGFzcyB0 eXBlPgpjbGFzcyBwZXJzaXN0CnsKICB0eXBlIG9iajsKICBpbmxpbmUgdm9pZAogIHNhdmUgKCkK ICAgIHsKICAgICAgOyAvLyBTYXZlIG9iaiBpbiBwZXJzaXN0ZW50IHN0b3JhZ2UuCiAgICB9CnB1 YmxpYzoKICBpbmxpbmUgcGVyc2lzdCh0eXBlIGkpCiAgICB7CiAgICAgIG9iaiA9IGk7CiAgICB9 CiAgb3BlcmF0b3IgY29uc3QgdHlwZSAmKCkKICAgIHsKICAgICAgcmV0dXJuIG9iajsKICAgIH0K ICBwZXJzaXN0JiBvcGVyYXRvciA9IChjb25zdCB0eXBlJiB0KQogICAgewogICAgICBvYmogPSB0 OwogICAgICBzYXZlICgpOwogICAgICByZXR1cm4gKnRoaXM7CiAgICB9CiAgcGVyc2lzdCYgb3Bl cmF0b3IgPSAodHlwZSYgdCkKICAgIHsKICAgICAgb2JqID0gdDsKICAgICAgc2F2ZSAoKTsKICAg ICAgcmV0dXJuICp0aGlzOwogICAgfQp9OwoKdHlwZWRlZiBjaGFyIG5hbWVbMTJdOwp0eXBlZGVm IGNoYXIgY291bnRyeVsyMF07Cgp0eXBlZGVmIHBlcnNpc3Q8bmFtZT4gcF9uYW1lOwp0eXBlZGVm IHBlcnNpc3Q8Y291bnRyeT4gcF9jb3VudHJ5Owp0eXBlZGVmIHBlcnNpc3Q8bG9uZz4gcF9sb25n OwoKbmFtZSBkZWZfbmFtZSA9ICJKb2UiOwpuYW1lIGRlZl9maXJzdG5hbWUgPSAiRGFsdG9uIjsK Y291bnRyeSBkZWZfY291bnRyeSA9ICJVU0EiOwoKaW50Cm1haW4oKQp7CiAgcF9uYW1lIG15X25h bWUgKGRlZl9uYW1lKTsKICBwX25hbWUgbXlfZmlyc3RfbmFtZSAoZGVmX2ZpcnN0bmFtZSk7CiAg cF9jb3VudHJ5IG15X2NvdW50cnkgKGRlZl9jb3VudHJ5KTsKICBwX2xvbmcgbXlfYWdlICgyKTsK CiAgaWYgKG15X2FnZSAhPSAyKQogICAgYWJvcnQgKCk7CgogIGlmIChzdHJuY21wIChteV9uYW1l LCBkZWZfbmFtZSwgc2l6ZW9mIChuYW1lKSkgIT0gMCkKICAgIGFib3J0ICgpOwoKICBpZiAoc3Ry bmNtcCAobXlfZmlyc3RfbmFtZSwgZGVmX2ZpcnN0bmFtZSwgc2l6ZW9mIChuYW1lKSkgIT0gMCkK ICAgIGFib3J0ICgpOwoKICBpZiAoc3RybmNtcCAobXlfY291bnRyeSwgZGVmX2NvdW50cnksIHNp emVvZiAoY291bnRyeSkpICE9IDApCiAgICBhYm9ydCAoKTsKCiAgbXlfbmFtZSA9IGRlZl9maXJz dG5hbWU7CiAgbXlfZmlyc3RfbmFtZSA9IGRlZl9uYW1lOwoKICBpZiAoc3RybmNtcCAobXlfbmFt ZSwgZGVmX2ZpcnN0bmFtZSwgc2l6ZW9mIChuYW1lKSkgIT0gMCkKICAgIGFib3J0ICgpOwogIHJl dHVybiAwOwp9Cg==