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[Bug c++/29209] ICE optimizing passing long double to abstract method while in other abstract's impl



------- Comment #4 from danglin at gcc dot gnu dot org  2006-10-10 23:00 -------
This bug is still present on trunk:

-bash-2.05b$ /test/gnu/gcc/objdir/gcc/g++ -B/test/gnu/gcc/objdir/gcc/ -S -O2 p>
pr29209.cc: In member function 'void
DataOutputStream_impl::_ZTv0_n12_N21DataOutputStream_impl16write_longdoubleEe(long
double)':
pr29209.cc:21: internal compiler error: in expand_expr_addr_expr_1, at
expr.c:6506
Please submit a full bug report,
with preprocessed source if appropriate.
See <URL:http://gcc.gnu.org/bugs.html> for instructions.
<c/g++ -B/test/gnu/gcc/objdir/gcc/ -S -O2 pr29209.cc -v > xxx.sh 2>&1

Breakpoint 1, expand_expr_addr_expr_1 (exp=0x0, target=0x76, tmode=1431655765,
    modifier=118) at ../../gcc/gcc/expr.c:6458
6458      if (TREE_CODE (exp) == CONSTRUCTOR
(gdb) bt
#0  expand_expr_addr_expr_1 (exp=0x0, target=0x76, tmode=1431655765,
    modifier=118) at ../../gcc/gcc/expr.c:6458
#1  0x0028b014 in expand_expr_real_1 (exp=0x7ae69760, target=0x0,
    tmode=SImode, modifier=EXPAND_NORMAL, alt_rtl=0x0)
    at ../../gcc/gcc/expr.c:6593
#2  0x002941fc in expand_expr_real (exp=0x7ae69760, target=0x0,
    tmode=VOIDmode, modifier=EXPAND_NORMAL, alt_rtl=0x0)
    at ../../gcc/gcc/expr.c:6706
#3  0x00240e9c in expand_call (exp=0x7adc07f8, target=0x0, ignore=1)
    at ../../gcc/gcc/expr.h:499
#4  0x0028c054 in expand_expr_real_1 (exp=0x7adc07f8, target=0x7adb5210,
    tmode=VOIDmode, modifier=EXPAND_NORMAL, alt_rtl=0x0)
    at ../../gcc/gcc/expr.c:7671
#5  0x00294110 in expand_expr_real (exp=0x7adc07f8, target=0x0,
    tmode=VOIDmode, modifier=EXPAND_NORMAL, alt_rtl=0x0)
    at ../../gcc/gcc/expr.c:6700
#6  0x003322dc in expand_expr_stmt (exp=0x7adc07f8)
    at ../../gcc/gcc/stmt.c:1356
#7  0x00530f8c in expand_gimple_basic_block (bb=0x7adcc990)
    at ../../gcc/gcc/cfgexpand.c:1199
#8  0x005323ac in tree_expand_cfg () at ../../gcc/gcc/cfgexpand.c:1644
#9  0x0037136c in execute_one_pass (pass=0x40018070)
    at ../../gcc/gcc/passes.c:870
---Type <return> to continue, or q <return> to quit---
#10 0x0037150c in execute_pass_list (pass=0x40018070)
    at ../../gcc/gcc/passes.c:917
#11 0x001c69f8 in tree_rest_of_compilation (fndecl=0x7ae60310)
    at ../../gcc/gcc/tree-optimize.c:463
#12 0x00121ca4 in expand_body (fn=0x7ae60310)
    at ../../gcc/gcc/cp/semantics.c:3068
#13 0x00117a8c in use_thunk (thunk_fndecl=0x7ae60310, emit_p=0 '\0')
    at ../../gcc/gcc/cp/method.c:524
#14 0x00121c2c in expand_body (fn=0x7ae602a0)
    at ../../gcc/gcc/cp/semantics.c:3021
#15 0x00397624 in cgraph_expand_function (node=0x7ae603f0)
    at ../../gcc/gcc/cgraphunit.c:1233
#16 0x0039aaf4 in cgraph_optimize () at ../../gcc/gcc/cgraphunit.c:1298
#17 0x000bdcbc in cp_finish_file () at ../../gcc/gcc/cp/decl2.c:3344
#18 0x0002d2ac in finish_file () at ../../gcc/gcc/cp/cp-lang.c:144
#19 0x00191cc4 in c_common_parse_file (set_yydebug=2061227104)
    at ../../gcc/gcc/c-opts.c:1176
#20 0x0033d49c in toplev_main (argc=1073937672, argv=0x1)
    at ../../gcc/gcc/toplev.c:1033
#21 0x001a2b24 in main (argc=2061227104, argv=0x0) at ../../gcc/gcc/main.c:35


-- 


http://gcc.gnu.org/bugzilla/show_bug.cgi?id=29209


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