http://gcc.gnu.org/bugzilla/show_bug.cgi?id=49756
Summary: g++ ICE
Product: gcc
Version: 4.6.1
Status: UNCONFIRMED
Severity: normal
Priority: P3
Component: tree-optimization
AssignedTo: unassig...@gcc.gnu.org
ReportedBy: d...@ubuntu.com
Created attachment 24773
--> http://gcc.gnu.org/bugzilla/attachment.cgi?id=24773
preprocessed source
[forwarded from http://launchpad.net/bugs/721378]
might related to PR48766, although I don't see the recursion in
fold_binary_loc(). seen with current 4.4, 4.5, 4.6 branches and trunk.
$ g++ -c testcase.ii
g++: internal compiler error: Segmentation fault (program cc1plus)
Please submit a full bug report,
with preprocessed source if appropriate.
Program received signal SIGSEGV, Segmentation fault.
0x00000000008046dc in fold_binary_loc ()
(gdb) bt
#0 0x00000000008046dc in fold_binary_loc ()
#1 0x00000000008905e2 in gimplify_expr ()
#2 0x0000000000895269 in ?? ()
#3 0x000000000089067e in gimplify_expr ()
#4 0x000000000089f7a2 in ?? ()
#5 0x0000000000891188 in gimplify_expr ()
#6 0x00000000008a22f9 in ?? ()
#7 0x000000000088fd3e in gimplify_expr ()
#8 0x0000000000898367 in gimplify_stmt ()
#9 0x000000000089f41d in ?? ()
#10 0x00000000008916f0 in gimplify_expr ()
#11 0x00000000008961b3 in ?? ()
#12 0x000000000088fcd5 in gimplify_expr ()
#13 0x0000000000898367 in gimplify_stmt ()
#14 0x0000000000890b9e in gimplify_expr ()
#15 0x0000000000898367 in gimplify_stmt ()
#16 0x0000000000898d5c in ?? ()
#17 0x0000000000891414 in gimplify_expr ()
#18 0x0000000000898367 in gimplify_stmt ()
#19 0x00000000008908a9 in gimplify_expr ()
#20 0x0000000000898367 in gimplify_stmt ()
#21 0x0000000000898d5c in ?? ()
#22 0x0000000000891414 in gimplify_expr ()
#23 0x0000000000898367 in gimplify_stmt ()
#24 0x00000000008908a9 in gimplify_expr ()
#25 0x0000000000898367 in gimplify_stmt ()
[...]
bug submitter writes:
- if you comment out the ~Base destructor, the ICE goes away.
- The ICE also goes away if you significantly reduce the number of Child
members in the Container class.
