https://gcc.gnu.org/bugzilla/show_bug.cgi?id=104679
Bug ID: 104679
Summary: [12 Regression] ICE in connect_traces, at
dwarf2cfi.c:3071 since r12-6637-g463d9108766dcbb6
Product: gcc
Version: 12.0
Status: UNCONFIRMED
Keywords: ice-on-valid-code
Severity: normal
Priority: P3
Component: tree-optimization
Assignee: unassigned at gcc dot gnu.org
Reporter: marxin at gcc dot gnu.org
CC: jakub at redhat dot com
Target Milestone: ---
Reduced from libreoffice:
$ cat ice.ii
namespace rtl {
struct OStringBuffer {
~OStringBuffer();
};
} // namespace rtl
using rtl::OStringBuffer;
void lclSplitBlock(double, long);
void lclAppendBlock();
double ScInterpreterScBahtText_fBaht;
long ScInterpreterScBahtText_nSatang;
void ScInterpreterScBahtText() {
lclSplitBlock(ScInterpreterScBahtText_fBaht,
ScInterpreterScBahtText_nSatang);
if (ScInterpreterScBahtText_fBaht == 0.0)
;
else
while (ScInterpreterScBahtText_fBaht > 0.0) {
OStringBuffer aBlock;
lclAppendBlock();
}
}
$ g++ ice.ii -O2 -m32 -c
during RTL pass: dwarf2
ice.ii: In function ‘void ScInterpreterScBahtText()’:
ice.ii:20:1: internal compiler error: in connect_traces, at dwarf2cfi.cc:3071
20 | }
| ^
0x7d36b1 connect_traces
/home/marxin/Programming/gcc/gcc/dwarf2cfi.cc:3071
0x7d36b1 execute_dwarf2_frame
/home/marxin/Programming/gcc/gcc/dwarf2cfi.cc:3302
0x7d36b1 execute
/home/marxin/Programming/gcc/gcc/dwarf2cfi.cc:3789
Please submit a full bug report, with preprocessed source (by using
-freport-bug).
Please include the complete backtrace with any bug report.
See <https://gcc.gnu.org/bugs/> for instructions.
