http://llvm.org/bugs/show_bug.cgi?id=4942
Summary: Crash during bootstrap
Product: libraries
Version: trunk
Platform: PC
OS/Version: All
Status: NEW
Severity: normal
Priority: P2
Component: Core LLVM classes
AssignedTo: [email protected]
ReportedBy: [email protected]
CC: [email protected], [email protected],
[email protected]
This is a minimized test case that Sandeep me based on a crash he is seeing
during bootstrap of llvm-gcc.
It is pretty aggressively minimized, and is very sensitive to any further
changes in the types. I have attached the version of llvm-gcc that this
reproduces with (on Darwin).
--
ddun...@giles:delta$ ./cc1plus -g t.cpp
bool EVT::isPow2VectorType() const void DAGCombiner::AddToWorkList(SDNode*)
SDValue DAGCombiner::CombineTo(SDValue) SDValue f0(SDValue)
Analyzing compilation unitPerforming interprocedural optimizations
Assembling functions:
SDValue DAGCombiner::CombineTo(SDValue)
t.cpp: In member function 'SDValue DAGCombiner::CombineTo(SDValue)':
t.cpp:24: internal compiler error: Bus error
Please submit a full bug report,
with preprocessed source if appropriate.
See <URL:http://llvm.org/bugs/> for instructions.
--
Sandeep, can you see if this test case also crashes with your cc1plus?
Devang, can you try looking at this test case in gdb to determine why it is
crashing? Hopefully that will give enough information to explain what the crash
is, and how to fix it.
--
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