c++/9452: ICE with templates (no better explanation possible)

bangerth@ticam.utexas.edu bangerth@ticam.utexas.edu
Mon Jan 27 16:20:00 GMT 2003

>Number:         9452
>Category:       c++
>Synopsis:       ICE with templates (no better explanation possible)
>Confidential:   no
>Severity:       serious
>Priority:       medium
>Responsible:    unassigned
>State:          open
>Class:          sw-bug
>Submitter-Id:   net
>Arrival-Date:   Mon Jan 27 16:06:00 UTC 2003
>Originator:     Wolfgang Bangerth
>Release:        unknown-1.0

OK, this is #1 of 7 (this weekends batch of ICE findings :-( )

This crashes every gcc since at least 2.95 with a SegFault:
template <int> struct Len   { static const int val = 1; };
template <int> struct X {};

template <typename T> void foo(X<1>) {};

template <typename T, int N>
foo(X<N>) {
  foo<int> (X<N>());

int main () {

g/a> /home/bangerth/bin/gcc-3.4-pre/bin/c++ -c bug32-1.cc
bug32-1.cc: In function `int main()':
bug32-1.cc:13: internal compiler error: Segmentation fault
Please submit a full bug report,
with preprocessed source if appropriate.
See <URL:http://www.gnu.org/software/gcc/bugs.html> for instructions.



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