[LLVMbugs] [Bug 70] New: gccas segfaults on the following input
bugzilla-daemon at zion.cs.uiuc.edu
bugzilla-daemon at zion.cs.uiuc.edu
Wed Oct 29 14:13:12 PST 2003
http://llvm.cs.uiuc.edu/bugs/show_bug.cgi?id=70
Summary: gccas segfaults on the following input
Product: tools
Version: trunk
Platform: PC
OS/Version: Linux
Status: NEW
Severity: normal
Priority: P2
Component: gccas
AssignedTo: sabre at nondot.org
ReportedBy: criswell at uiuc.edu
The gccas program segfaults on the following input. It is distilled from abs.cc
from kimwitu++:
; GNU C++ version 3.4-llvm 20030827 (experimental) (i686-pc-linux-gnu)
; compiled by GNU C version 3.3.
; GGC heuristics: --param ggc-min-expand=64 --param ggc-min-heapsize=64209
; options passed: -iprefix -D_GNU_SOURCE -mtune=pentiumpro -auxbase-strip
; options enabled: -feliminate-unused-debug-types -fpeephole
; -ffunction-cse -fkeep-static-consts -fpcc-struct-return -fgcse-lm
; -fgcse-sm -fsched-interblock -fsched-spec -fbranch-count-reg -fcommon
; -fgnu-linker -fargument-alias -fzero-initialized-in-bss -fident
; -fmath-errno -ftrapping-math -m80387 -mhard-float -mno-soft-float
; -mieee-fp -mfp-ret-in-387 -maccumulate-outgoing-args -mno-red-zone
; -mtls-direct-seg-refs -mtune=pentiumpro -march=i386
target pointersize = 32
target endian = little
%struct.impl_casestring__Str = type opaque
%.str_1 = internal constant [1 x sbyte] c"\00"
%.str_2 = internal constant [1 x sbyte] c"\00"
%_ZTVN10__cxxabiv120__si_class_type_infoE = external constant [0 x int (...)*]
;; int
(*__cxxabiv1::__si_class_type_info::_ZTVN10__cxxabiv120__si_class_type_infoE[])(...)
declare %struct.impl_casestring__Str* %_ZN2kc12mkcasestringEPKci(sbyte*,int) ;;
kc::impl_casestring__Str* kc::mkcasestring(const kc_char*, int)
void
%_ZN2kc22impl_fileline_FileLineC2EPNS_20impl_casestring__StrEi("struct.kc::impl_fileline_FileLine"*
%this.1, "struct.kc::impl_casestring__Str"* %_file.1, int %_line.1)
{
;; kc::impl_fileline_FileLine::impl_fileline_FileLine(kc::impl_casestring__Str*, in)
entry:
%mem_tmp = alloca "struct.kc::impl_casestring__Str"* ;
ty="struct.kc::impl_casestring__Str"**
%tmp.11 = invoke "struct.kc::impl_casestring__Str"* (sbyte*, int)* cast
(%struct.impl_casestring__Str* (sbyte*, int)* %_ZN2kc12mkcasestringEPKci to
"struct.kc::impl_casestring__Str"* (sbyte*, int)*)(sbyte* getelementptr ([1 x
sbyte]* %.str_1, long 0, long 0), int -1)
to label %invoke_cont except label %return ;
ty="struct.kc::impl_casestring__Str"*
invoke_cont:
store "struct.kc::impl_casestring__Str"* %tmp.11,
"struct.kc::impl_casestring__Str"** %mem_tmp
ret void
return:
ret void
}
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