Floating point exception in FE

[asl]

Bugzilla Link	1175
Resolution	FIXED
Resolved on	Feb 22, 2010 12:49
Version	trunk
OS	Linux
Blocks	#1538
Attachments	Failed source

Extended Description

Attached source causes:

20021110.c: In function 'foo':
20021110.c:8: internal compiler error: Floating point exception
Please submit a full bug report,
with preprocessed source if appropriate.
See URL:http://llvm.org/bugs for instructions.

[asl]

Funny, but llvm-g++ works! :)

[asl]

Stack trace:

Program received signal SIGFPE, Arithmetic exception.
[Switching to Thread -1211115856 (LWP 32382)]
0xb7e29527 in __divdi3 ()
from /usr/lib/gcc/i686-pc-linux-gnu/3.4.6/libgcc_s.so.1
(gdb) bt
#​0 0xb7e29527 in __divdi3 ()
from /usr/lib/gcc/i686-pc-linux-gnu/3.4.6/libgcc_s.so.1
#​1 0x082b1ca4 in TreeToLLVM::EmitPtrBinOp ()
#​2 0x082b200e in TreeToLLVM::EmitBinOp ()
#​3 0x082a9998 in TreeToLLVM::Emit ()
#​4 0x082b8b36 in TreeToLLVM::EmitMODIFY_EXPR ()
#​5 0x082a9b52 in TreeToLLVM::Emit ()
#​6 0x082b6e68 in TreeToLLVM::EmitSTATEMENT_LIST ()
#​7 0x082a968a in TreeToLLVM::Emit ()
#​8 0x082b7498 in TreeToLLVM::EmitBIND_EXPR ()
#​9 0x082a9b2c in TreeToLLVM::Emit ()
#​10 0x08295f38 in llvm_emit_code_for_current_function ()
#​11 0x080ac2e9 in tree_rest_of_compilation ()

[asl]

Patch to fix
Please apply this patch to fix the issue. C source should be added to tests
(imho).

[lattner]

Fixed (by Anton), patch here:
http://lists.cs.uiuc.edu/pipermail/llvm-commits/Week-of-Mon-20070129/043901.html

testcase here: test/CFrontend/2007-02-04-EmptyStruct.c

-Chris