[llvm-bugs] [Bug 44581] New: Building OpenJDK gives "Assertion `ConstraintID != InlineAsm::Constraint_Unknown"

[via llvm-bugs]

https://bugs.llvm.org/show_bug.cgi?id=44581

            Bug ID: 44581
           Summary: Building OpenJDK gives "Assertion `ConstraintID !=
                    InlineAsm::Constraint_Unknown"
           Product: libraries
           Version: trunk
          Hardware: PC
                OS: All
            Status: NEW
          Severity: enhancement
          Priority: P
         Component: Backend: AArch64
          Assignee: unassignedbugs at nondot.org
          Reporter: alan.hayward at arm.com
                CC: arnaud.degrandmaison at arm.com,
                    llvm-bugs at lists.llvm.org, peter.smith at linaro.org,
                    Ties.Stuij at arm.com

Created attachment 23024
  --> https://bugs.llvm.org/attachment.cgi?id=23024&action=edit
cflag changes for openJDK

Using this build:
http://lab.llvm.org:8011/builders/clang-aarch64-linux-build-cache/builds/21031
On Ubuntu 18.04.3 LTS (GNU/Linux 4.15.0-45-generic aarch64)

Building OpenJDK recent HEAD (Fri Jan 17 16:17:22 2020 +0100) from
http://hg.openjdk.java.net/jdk/jdk

Firstly, I needed to add extra Cflags to prevent new warnings. See the attached
flag.diff

I then configure and built with:
JAVA_HOME=/usr/java/jdk-12.0.1+12/ CC=clang CXX=clang++ bash ../../configure
--with-toolchain-type=clang --with-debug-level=release; make images JOBS=55


The following error occurs part way through the build.


clang++:
/home/buildslave/buildslave/clang-aarch64-linux-build-cache/llvm/llvm/lib/CodeGen/SelectionDAG/SelectionDAGBuilder.cpp:8383:
void llvm::SelectionDAGBuilder::visitInlineAsm(llvm::ImmutableCallSite):
Assertion `ConstraintID != InlineAsm::Constraint_Unknown && "Failed to convert
memory constraint code to constraint id."' failed.
Stack dump:
0.      Program arguments:
/home/alahay01/llvm/clang-2020-01-17_14-50-39-b21031/bin//clang++ -MMD -MF
/home/alahay01/work/jdkHEAD/build/clang10-release/hotspot/variant-server/libjvm/objs/compileBroker.d
-include-pch
/home/alahay01/work/jdkHEAD/build/clang10-release/hotspot/variant-server/libjvm/objs/precompiled/precompiled.hpp.pch
-D__STDC_FORMAT_MACROS -D__STDC_LIMIT_MACROS -D__STDC_CONSTANT_MACROS
-D_GNU_SOURCE -pipe -fno-rtti -fno-exceptions -fvisibility=hidden
-fno-strict-aliasing -fno-omit-frame-pointer -flimit-debug-info
-mno-omit-leaf-frame-pointer -mstack-alignment=16 -mllvm
-inlinehint-threshold=100000 -DSUPPORTS_CLOCK_MONOTONIC -DLINUX -Wall -Wextra
-Wformat=2 -Wpointer-arith -Wsign-compare -Wreorder -Wunused-function -Wundef
-Wunused-value -Woverloaded-virtual -fPIC -fmacro-prefix-map=/=
-DVM_LITTLE_ENDIAN -D_LP64=1 -DPRODUCT -DTARGET_ARCH_aarch64
-DINCLUDE_SUFFIX_OS=_linux -DINCLUDE_SUFFIX_CPU=_aarch64
-DINCLUDE_SUFFIX_COMPILER=_gcc -DTARGET_COMPILER_gcc -DAARCH64
-DHOTSPOT_LIB_ARCH="aarch64" -DCOMPILER1 -DCOMPILER2 -DDTRACE_ENABLED
-I/home/alahay01/work/jdkHEAD/build/clang10-release/hotspot/variant-server/gensrc/adfiles
-I/home/alahay01/work/jdkHEAD/src/hotspot/share
-I/home/alahay01/work/jdkHEAD/src/hotspot/os/linux
-I/home/alahay01/work/jdkHEAD/src/hotspot/os/posix
-I/home/alahay01/work/jdkHEAD/src/hotspot/cpu/aarch64
-I/home/alahay01/work/jdkHEAD/src/hotspot/os_cpu/linux_aarch64
-I/home/alahay01/work/jdkHEAD/build/clang10-release/hotspot/variant-server/gensrc
-I/home/alahay01/work/jdkHEAD/src/hotspot/share/precompiled
-I/home/alahay01/work/jdkHEAD/src/hotspot/share/include
-I/home/alahay01/work/jdkHEAD/src/hotspot/os/posix/include
-I/home/alahay01/work/jdkHEAD/build/clang10-release/support/modules_include/java.base
-I/home/alahay01/work/jdkHEAD/build/clang10-release/support/modules_include/java.base/linux
-I/home/alahay01/work/jdkHEAD/src/java.base/share/native/libjimage -g
-Wno-unknown-warning-option -Wno-unused-parameter -Wno-unused
-Wno-tautological-compare -Wno-undefined-var-template
-Wno-sometimes-uninitialized -Wno-unknown-pragmas -Wno-delete-non-virtual-dtor
-Wno-missing-braces -Wno-char-subscripts -Wno-ignored-qualifiers
-Wno-missing-field-initializers -Wno-mismatched-tags -Werror -O3
-Wno-deprecated-copy -Wno-misleading-indentation -Wno-string-compare
-Wno-sizeof-array-div -c -o
/home/alahay01/work/jdkHEAD/build/clang10-release/hotspot/variant-server/libjvm/objs/compileBroker.o
/home/alahay01/work/jdkHEAD/src/hotspot/share/compiler/compileBroker.cpp
1.      <eof> parser at end of file
2.      Code generation
3.      Running pass 'Function Pass Manager' on module
'/home/alahay01/work/jdkHEAD/src/hotspot/share/compiler/compileBroker.cpp'.
4.      Running pass 'AArch64 Instruction Selection' on function
'@_ZN13CompileBroker25invoke_compiler_on_methodEP11CompileTask'
Compiling 3 files for BUILD_VM_COMPILER_SERVICEPROVIDER_PROCESSOR
#0 0x00000000019e9cec PrintStackTraceSignalHandler(void*)
(/home/alahay01/llvm/clang-2020-01-17_14-50-39-b21031/bin//clang+++0x19e9cec)
clang-11: error: clang frontend command failed due to signal (use -v to see
invocation)
clang version 11.0.0
(/home/buildslave/buildslave/clang-aarch64-linux-build-cache/llvm/clang
8eb4d25a0943bce6e8a4859825dce4f67a4f6384)
Target: aarch64-unknown-linux-gnu
Thread model: posix
InstalledDir: /home/alahay01/llvm/clang-2020-01-17_14-50-39-b21031/bin
clang-11: note: diagnostic msg: PLEASE submit a bug report to
https://bugs.llvm.org/ and include the crash backtrace, preprocessed source,
and associated run script.
clang-11: note: diagnostic msg:
********************

PLEASE ATTACH THE FOLLOWING FILES TO THE BUG REPORT:
Preprocessed source(s) and associated run script(s) are located at:
clang-11: note: diagnostic msg: /tmp/compileBroker-123210.cpp
clang-11: note: diagnostic msg: /tmp/compileBroker-123210.sh
clang-11: note: diagnostic msg:

********************


Running the newly created script reproduced the error.

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