https://gcc.gnu.org/bugzilla/show_bug.cgi?id=69393
Bug ID: 69393
Summary: ICE in dwarf2out_finish, at dwarf2out.c:27175 with LTO
Product: gcc
Version: 6.0
Status: UNCONFIRMED
Severity: normal
Priority: P3
Component: lto
Assignee: unassigned at gcc dot gnu.org
Reporter: tbm at cyrius dot com
Target Milestone: ---
I get the following ICE with gcc 6 from trunk (20160117) and LTO:
g++ -o STAR -flto -flto -g -O2 -fstack-protector-strong -Wformat
-Werror=format-security -O3 -pipe -std=c++11 -Wall -Wextra -fopenmp
-D'COMPILATION_TIME_PLACE="Wed Jan 20 18:24:39 UTC 2016
:/home/tbm/gcc6/rna-star-2.5.0a+dfsg/source"' SharedMemory.o PackedArray.o
SuffixArrayFuns.o STAR.o Parameters.o InOutStreams.o SequenceFuns.o Genome.o
Stats.o Transcript.o Transcript_alignScore.o ReadAlign.o
ReadAlign_storeAligns.o ReadAlign_stitchPieces.o ReadAlign_multMapSelect.o
ReadAlign_mapOneRead.o readLoad.o ReadAlignChunk.o
ReadAlignChunk_processChunks.o ReadAlignChunk_mapChunk.o OutSJ.o outputSJ.o
blocksOverlap.o ThreadControl.o sysRemoveDir.o
ReadAlign_maxMappableLength2strands.o binarySearch2.o
ReadAlign_outputAlignments.o ReadAlign_outputTranscriptSAM.o
ReadAlign_outputTranscriptSJ.o ReadAlign_outputTranscriptCIGARp.o
ReadAlign_createExtendWindowsWithAlign.o ReadAlign_assignAlignToWindow.o
ReadAlign_oneRead.o ReadAlign_stitchWindowSeeds.o ReadAlign_chimericDetection.o
stitchWindowAligns.o extendAlign.o stitchAlignToTranscript.o
alignSmithWaterman.o genomeGenerate.o genomeParametersWrite.o
genomeScanFastaFiles.o genomeSAindex.o Genome_insertSequences.o insertSeqSA.o
funCompareUintAndSuffixes.o TimeFunctions.o ErrorWarning.o loadGTF.o
streamFuns.o stringSubstituteAll.o Transcriptome.o Transcriptome_quantAlign.o
ReadAlign_quantTranscriptome.o Quantifications.o
Transcriptome_geneCountsAddAlign.o sjdbLoadFromFiles.o sjdbLoadFromStream.o
sjdbPrepare.o sjdbBuildIndex.o sjdbInsertJunctions.o mapThreadsSpawn.o
Parameters_openReadsFiles.cpp Parameters_closeReadsFiles.cpp BAMoutput.o
BAMfunctions.o ReadAlign_alignBAM.o BAMbinSortByCoordinate.o signalFromBAM.o
bamRemoveDuplicates.o BAMbinSortUnmapped.o bam_cat.o GlobalVariables.cpp
-pthread -Bstatic -lhts -Bdynamic
lto1: internal compiler error: in dwarf2out_finish, at dwarf2out.c:27175
0x6a2e00 dwarf2out_finish
../../src/gcc/dwarf2out.c:27175
Please submit a full bug report,
with preprocessed source if appropriate.
Please include the complete backtrace with any bug report.
Unfortunately I'm not sure how to submit a test case. I tried to follow
https://gcc.gnu.org/wiki/A_guide_to_testcase_reduction#Reducing_LTO_bugs and I
got it down to:
/usr/lib/gcc/x86_64-linux-gnu/6/lto1 -quiet -dumpdir ./ -dumpbase STAR.ltrans1
-auxbase-strip STAR.ltrans1.ltrans.o -g -O2 -fopenmp -fltrans STAR.ltrans1.o -o
STAR.ltrans1.s
lto1: internal compiler error: in dwarf2out_finish, at dwarf2out.c:27175
0x6a2e00 dwarf2out_finish
../../src/gcc/dwarf2out.c:27175
Please submit a full bug report,
with preprocessed source if appropriate.
But I'm not sure which sources are used for STAR.ltrans1.o. The wiki says
"Then use delta on that file" but that file is STAR.ltrans1.o, not source.
Can someone give me some hints on how to get a testcase?
