<table border="1" cellspacing="0" cellpadding="8">
<tr>
<th>Issue</th>
<td>
<a href=https://github.com/llvm/llvm-project/issues/62160>62160</a>
</td>
</tr>
<tr>
<th>Summary</th>
<td>
Segmentation fault with -O2 & -O3
</td>
</tr>
<tr>
<th>Labels</th>
<td>
new issue
</td>
</tr>
<tr>
<th>Assignees</th>
<td>
</td>
</tr>
<tr>
<th>Reporter</th>
<td>
MCausc78
</td>
</tr>
</table>
<pre>
Hey LLVM project. I dont know why i getting Segmentation fault. I think that error in backend for ARM. The compiler asked me to send issue:
```
PLEASE submit a bug report to https://github.com/llvm/llvm-project/issues/ and include the crash backtrace, preprocessed source, and associated run script.
Stack dump:
0. Program arguments: /data/data/com.termux/files/usr/bin/clang-15 -cc1 -triple armv7-unknown-linux-android24 -emit-obj --mrelax-relocations -disable-free -clear-ast-before-backend -disable-llvm-verifier -discard-value-names -main-file-name gena.cpp -mrelocation-model pic -pic-level 2 -pic-is-pie -mframe-pointer=all -ffp-contract=on -fno-rounding-math -mconstructor-aliases -target-cpu generic -target-feature +soft-float-abi -target-feature +vfp2 -target-feature +vfp2sp -target-feature +vfp3 -target-feature +vfp3d16 -target-feature +vfp3d16sp -target-feature +vfp3sp -target-feature -fp16 -target-feature -vfp4 -target-feature -vfp4d16 -target-feature -vfp4d16sp -target-feature -vfp4sp -target-feature -fp-armv8 -target-feature -fp-armv8d16 -target-feature -fp-armv8d16sp -target-feature -fp-armv8sp -target-feature -fullfp16 -target-feature +fp64 -target-feature +d32 -target-feature +neon -target-feature -sha2 -target-feature -aes -target-feature -fp16fml -target-abi aapcs-linux -mfloat-abi soft -fallow-half-arguments-and-returns -mllvm -treat-scalable-fixed-error-as-warning -debugger-tuning=gdb -fcoverage-compilation-dir=/data/data/com.termux/files/home/box/cpp -resource-dir /data/data/com.termux/files/usr/lib/clang/15.0.6 -isysroot /data/data/com.termux/files -internal-isystem /data/data/com.termux/files/usr/include/c++/v1 -internal-isystem /data/data/com.termux/files/usr/lib/clang/15.0.6/include -internal-isystem /data/data/com.termux/files/usr/local/include -internal-externc-isystem /data/data/com.termux/files/usr/include/arm-linux-androideabi -internal-externc-isystem /data/data/com.termux/files/include -internal-externc-isystem /data/data/com.termux/files/usr/include -O3 -std=gnu++20 -fdeprecated-macro -fdebug-compilation-dir=/data/data/com.termux/files/home/box/cpp -ferror-limit 19 -fno-signed-char -fgnuc-version=4.2.1 -fcxx-exceptions -fexceptions -fcolor-diagnostics -vectorize-loops -vectorize-slp -D__GCC_HAVE_DWARF2_CFI_ASM=1 -o /data/data/com.termux/files/usr/tmp/gena-7ad854.o -x c++ gena.cpp
1. <eof> parser at end of file
2. Optimizer
clang-15: error: unable to execute command: Segmentation fault
clang-15: error: clang frontend command failed due to signal (use -v to see invocation)
clang version 15.0.6
Target: armv7a-unknown-linux-android24
Thread model: posix
InstalledDir: /data/data/com.termux/files/usr/bin
clang-15: note: diagnostic msg:
********************
PLEASE ATTACH THE FOLLOWING FILES TO THE BUG REPORT:
Preprocessed source(s) and associated run script(s) are located at:
clang-15: note: diagnostic msg: /data/data/com.termux/files/usr/tmp/gena-8d2636.cpp
clang-15: note: diagnostic msg: /data/data/com.termux/files/usr/tmp/gena-8d2636.sh
clang-15: note: diagnostic msg:
********************
```
Here a files that compiler asked to attach:
[gena-8d2636.cpp.txt](https://github.com/llvm/llvm-project/files/11240735/gena-8d2636.cpp.txt)
[gena-8d2636.sh.txt](https://github.com/llvm/llvm-project/files/11240736/gena-8d2636.sh.txt)
A clean source code, that i give to compiler: [gena.cpp.txt](https://github.com/llvm/llvm-project/files/11240737/gena.cpp.txt)
</pre>
<img width="1px" height="1px" alt="" src="http://email.email.llvm.org/o/eJy8WF9P47oS_zTpy8hR4_QPPPQBKF2Q2Mtq4Z7ziKb2JPHBsSPbKd399Fd2SoGlrJZl76kitZkZz4znn38ueq9qQ7TIpqfZdDnCPjTWLT6fYe_F_Gi0tvLb4oK-wdXVX5-hc_YfEiGHS5DWBLg39gEemm-goKYQlKnhhuqWTMCgrIEKe52kQ6PMPYQGA5Bz1oEysEZxT0ZCZR2cfP2cw21DIGzbKU0O0N-ThJYgWPBRTHnfU1aeZONlNj7JZuPdk16_XJ2f3JyD79etCoCw7mtw1FkX4vomhM7HpXyV8VWtQtOvc2HbjK-03jx-sd3uMr5KtnzGV4DRshG6lwQh-ufQN8n14FBQxs-gc9Q5K8h7kuBt7wZyXIneW6EwkATXG_DCqS7kg8s3AcU9yL7t9psa5_DF2dphC-jqPsYxug0ZX0kM-PQlbJsHcm2_zfiqUjr52nuX8dVamSig0dSsmAITogAWnOo0Abp2M2e9iWkzTCvTbxka6aySfAKMWhWYXf8DjLWONG6ZI21FSqUHJpXHtSZWOSJgQhM6hj6wNVXWEXtM514uxXRDTlWKXCILdJJtUPfEDLbkgbWoDIsbSASoyWAuug6SAzvTrLWSNHRKAOuUYJo2pIEPL8qzThGwtnLYEuusMoFcVi5Ra2BV1TFhTUxVyMqlNcAqY5mzvZHK1KzF0ABrhTU-uF4E6xhqhT66FtDVFJjo-ugWuWh-R6sIQ-8IMn7qbRVYpS0Ghmt1SGJTdfwtuu_e4JRv0WUx-wnrbX0HOKzqDihjm6qbHKYesv3IOKQ_sg7bZbESj97mHLT0jPkzrQd5vdYHd5vx06qbvd5vxk9leTBthmIV_WjAN_hamuGzOnoR9arVe0YsG8RO-KEhYynvyylWF7AKtbYPrEFdsf1ciI3LHIXexd5sY7PFPicMzAvUQ6eqLUmWBi5Dzx7QmTiimaR1X9fkWOgjISuXtVwDq4TdkMOa2DCFh-6TKrbTr42gxrYUZ5CNxNTHjoaJGNW8a45ptX6cYxlfFdN8nM-AKf_NO2vDr6gClmaBQZ2WBWrf5cBu6kehjJ-mZ7UpPqj00K6ebH1UuRWoD2qjbfwhPhgHdO3LQ4PSyPuglf-Lt8CuS2A-yFjbph8SyMfAKkmdIxGPZNaicDaR1n39B2u-GjpOq4hFiuPhzEkwSzLRoANW1aYX8Wz0ypqsXE5ynhexAbdbRltB3e7IrV68CKutY1JhbawPSnhgG4qHlvpOTFvbvSB43QFb3t19Oju7uzj56_xu-ffJ1xW_O1td3p3cfM7KZQHMviu4oe0ifiKDbI7yaDrJLbAt7Ppjf3oPYKbIISvPyFZZeQ4dOh9BXYAIEWwFUfEgx3NIn-suqFZ9JzeQHxFMxD8pnvFHb-Jci5COtiT6kPBii0ZG5mvk-RNNiQiVsyZEj3ZqoEKlSYLsB9ypaoMaMn7U-3ieDViUQJnNDptk_PiZEdhlFHaNnTi3acxHmwl-4Vv4ayfdOEIJCfLENZ31ajuwLo0PqDXJpXK_gwpfBcPYEAE1PFUUtL5-gtj8A8-g4Tk2P7m9PTm7gNuLc1hdX11d_335n0-wurw6v4Hb60Q-_e8n-Hr-5frr7d6HL4ew9ZHP-PHb-Hov4AgShiQJGPYqfykCv9sWR5LPytlTE_wbxnzz_tT-qQS_vIVdkCNAgOH4Tbe9H-5zwQKGgKJ5cmV6-kPk8rAN2XSZ8aN339seQ1UUfDKel9PXaUnKH5v2B9u--XOmZ6-S9MJyHECEZlfSIKxMd8YUMgW12qT58xi8VCODr382QPOdl88iM5KLUh6XxziiRTE7KqbHUz6fj5pFQeV0MqtkWU3LitPxXBZIBZcVl-PZ0Ww9Ugs-5uV4Ukx5MZlP5znNOVE5ljgvqtnxeJZNxtSi0nl0KreuHqV79mLGi9l4pHFN2qf_ITg39LC78HOeTZcjt0gbWfe1zyZjrXzwT1qCCpoWr8c_PKh4vbvmkPFZRASj3unF7_8ZkPz8XwAAAP__h2elQA">