[llvm-bugs] [Bug 45930] New: Emscripten + pdfium: MCStreamer::SwitchSection: Assertion `Section && "Cannot switch to a null section!"' failed
via llvm-bugs
llvm-bugs at lists.llvm.org
Thu May 14 15:31:47 PDT 2020
https://bugs.llvm.org/show_bug.cgi?id=45930
Bug ID: 45930
Summary: Emscripten + pdfium: MCStreamer::SwitchSection:
Assertion `Section && "Cannot switch to a null
section!"' failed
Product: clang
Version: unspecified
Hardware: PC
OS: Linux
Status: NEW
Severity: normal
Priority: P
Component: -New Bugs
Assignee: unassignedclangbugs at nondot.org
Reporter: andrew-llvm at gizmolabs.org
CC: htmldeveloper at gmail.com, llvm-bugs at lists.llvm.org,
neeilans at live.com, richard-llvm at metafoo.co.uk
Created attachment 23488
--> https://bugs.llvm.org/attachment.cgi?id=23488&action=edit
Requested files (.c, .sh) to repro
Trying to compile pdfium w/ latest emscripten SDK. I'm getting this crash on
the very first file I'm compiling. (Note that I was able to compile other
software w/ this setup fine, just failing on pdfium now)
Log in the terminal:
+++ dirname ../../formulatenext/build_pdfium.sh
++ cd ../../formulatenext
++ pwd
+ BASE_DIR=/mnt/ext/adlr/FN/formulatenext
++ readlink -f /mnt/ext/adlr/FN/formulatenext/depot_tools
+ export
PATH=/mnt/ext/adlr/FN/emsdk:/mnt/ext/adlr/FN/emsdk/upstream/emscripten:/mnt/ext/adlr/FN/emsdk/node/12.9.1_64bit/bin:/Users/adlr/narwhal/bin:/Applications/Graphviz.app/Contents/MacOS:/usr/local/google/home/adlr/depot_tools:/usr/lib/google-golang/bin:/usr/local/buildtools/java/jdk/bin:/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/sbin:/bin:/opt/local/bin:/usr/local/google/home/adlr/bin:/mnt/ext/adlr/FN/formulatenext/depot_tools
+
PATH=/mnt/ext/adlr/FN/emsdk:/mnt/ext/adlr/FN/emsdk/upstream/emscripten:/mnt/ext/adlr/FN/emsdk/node/12.9.1_64bit/bin:/Users/adlr/narwhal/bin:/Applications/Graphviz.app/Contents/MacOS:/usr/local/google/home/adlr/depot_tools:/usr/lib/google-golang/bin:/usr/local/buildtools/java/jdk/bin:/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/sbin:/bin:/opt/local/bin:/usr/local/google/home/adlr/bin:/mnt/ext/adlr/FN/formulatenext/depot_tools
+ cd /mnt/ext/adlr/FN/formulatenext/../pdfium/pdfium
+ BUILD_DIR=out/Debug
+ gn --export-compile-commands gen out/Debug '--args=is_debug=false
is_official_build=false use_goma=false pdf_use_skia=false
pdf_use_skia_paths=false pdf_enable_xfa=false pdf_enable_v8=false
pdf_is_standalone=true is_component_build=false
clang_use_chrome_plugins=false use_libjpeg_turbo=true
use_system_libpng=false use_glib=false target_os="wasm" target_cpu="wasm"
pdf_is_complete_lib=true '
Generating compile_commands took 14ms
Done. Made 120 targets from 78 files in 93ms
++ which ninja
+ NINJA=/usr/local/google/home/adlr/depot_tools/ninja
+ /usr/local/google/home/adlr/depot_tools/ninja -j 1 -C out/Debug pdfium
ninja: Entering directory `out/Debug'
[1/779] CC obj/third_party/fx_libopenjpeg/bio.o
FAILED: obj/third_party/fx_libopenjpeg/bio.o
emcc -MMD -MF obj/third_party/fx_libopenjpeg/bio.o.d -D_GNU_SOURCE
-D_FILE_OFFSET_BITS=64 -D_LARGEFILE_SOURCE -D_LARGEFILE64_SOURCE
-DCR_CLANG_REVISION=\"n346557-4e0d9925-3\" -DNDEBUG -DNVALGRIND
-DDYNAMIC_ANNOTATIONS_ENABLED=0 -DPNG_PREFIX -DPNG_USE_READ_MACROS -DOPJ_STATIC
-I../.. -Igen -I../.. -fno-strict-aliasing --param=ssp-buffer-size=4
-fstack-protector -funwind-tables -fcolor-diagnostics -fmerge-all-constants
-Wno-builtin-macro-redefined -D__DATE__= -D__TIME__= -D__TIMESTAMP__=
-no-canonical-prefixes -O2 -fno-ident -fdata-sections -ffunction-sections
-fomit-frame-pointer -g2 -Xclang -debug-info-kind=constructor -ggnu-pubnames
-ftrivial-auto-var-init=pattern -fvisibility=hidden -Wheader-hygiene
-Wstring-conversion -Wtautological-overlap-compare -Werror -Wall
-Wno-unused-variable -Wno-misleading-indentation
-Wno-missing-field-initializers -Wno-unused-parameter -Wno-c++11-narrowing
-Wno-unneeded-internal-declaration -Wno-undefined-var-template
-Wno-implicit-int-float-conversion -Wno-final-dtor-non-final-class
-Wno-builtin-assume-aligned-alignment -Wno-deprecated-copy
-Wno-non-c-typedef-for-linkage -std=c11 -Wno-implicit-fallthrough -c
../../third_party/libopenjpeg20/bio.c -o obj/third_party/fx_libopenjpeg/bio.o
clang:
/b/s/w/ir/cache/builder/emscripten-releases/llvm-project/llvm/lib/MC/MCStreamer.cpp:1098:
virtual void llvm::MCStreamer::SwitchSection(llvm::MCSection *, const
llvm::MCExpr *): Assertion `Section && "Cannot switch to a null section!"'
failed.
PLEASE submit a bug report to https://bugs.llvm.org/ and include the crash
backtrace, preprocessed source, and associated run script.
Stack dump:
0. Program arguments: /mnt/ext/adlr/FN/emsdk/upstream/bin/clang -target
wasm32-unknown-emscripten -D__EMSCRIPTEN_major__=1 -D__EMSCRIPTEN_minor__=39
-D__EMSCRIPTEN_tiny__=15 -D_LIBCPP_ABI_VERSION=2 -Dunix -D__unix -D__unix__
-Werror=implicit-function-declaration -Xclang -nostdsysteminc -Xclang
-isystem/mnt/ext/adlr/FN/emsdk/upstream/emscripten/system/include/compat
-Xclang -isystem/mnt/ext/adlr/FN/emsdk/upstream/emscripten/system/include
-Xclang -isystem/mnt/ext/adlr/FN/emsdk/upstream/emscripten/system/include/libc
-Xclang
-isystem/mnt/ext/adlr/FN/emsdk/upstream/emscripten/system/lib/libc/musl/arch/emscripten
-Xclang -isystem/mnt/ext/adlr/FN/emsdk/upstream/emscripten/system/local/include
-Xclang -isystem/usr/local/google/home/adlr/.emscripten_cache/wasm/include
-DEMSCRIPTEN -fignore-exceptions -MMD -MF
obj/third_party/fx_libopenjpeg/bio.o.d -D_GNU_SOURCE -D_FILE_OFFSET_BITS=64
-D_LARGEFILE_SOURCE -D_LARGEFILE64_SOURCE
-DCR_CLANG_REVISION="n346557-4e0d9925-3" -DNDEBUG -DNVALGRIND
-DDYNAMIC_ANNOTATIONS_ENABLED=0 -DPNG_PREFIX -DPNG_USE_READ_MACROS -DOPJ_STATIC
-I../.. -Igen -I../.. -fno-strict-aliasing --param=ssp-buffer-size=4
-fstack-protector -funwind-tables -fcolor-diagnostics -fmerge-all-constants
-Wno-builtin-macro-redefined -D__DATE__= -D__TIME__= -D__TIMESTAMP__=
-no-canonical-prefixes -O2 -fno-ident -fdata-sections -ffunction-sections
-fomit-frame-pointer -Xclang -debug-info-kind=constructor -ggnu-pubnames
-ftrivial-auto-var-init=pattern -fvisibility=hidden -Wheader-hygiene
-Wstring-conversion -Wtautological-overlap-compare -Werror -Wall
-Wno-unused-variable -Wno-misleading-indentation
-Wno-missing-field-initializers -Wno-unused-parameter -Wno-c++11-narrowing
-Wno-unneeded-internal-declaration -Wno-undefined-var-template
-Wno-implicit-int-float-conversion -Wno-final-dtor-non-final-class
-Wno-builtin-assume-aligned-alignment -Wno-deprecated-copy
-Wno-non-c-typedef-for-linkage -std=c11 -Wno-implicit-fallthrough -c
../../third_party/libopenjpeg20/bio.c -Xclang
-isystem/mnt/ext/adlr/FN/emsdk/upstream/emscripten/system/include/SDL -c -o
obj/third_party/fx_libopenjpeg/bio.o -mllvm
-combiner-global-alias-analysis=false -mllvm -enable-emscripten-sjlj -mllvm
-disable-lsr
1. <eof> parser at end of file
2. Code generation
#0 0x00007f645ae59bf4 PrintStackTraceSignalHandler(void*)
(/mnt/ext/adlr/FN/emsdk/upstream/bin/../lib/libLLVM-11git.so+0x7cdbf4)
#1 0x00007f645ae5783e llvm::sys::RunSignalHandlers()
(/mnt/ext/adlr/FN/emsdk/upstream/bin/../lib/libLLVM-11git.so+0x7cb83e)
#2 0x00007f645ae58d9d llvm::sys::CleanupOnSignal(unsigned long)
(/mnt/ext/adlr/FN/emsdk/upstream/bin/../lib/libLLVM-11git.so+0x7ccd9d)
#3 0x00007f645ad90553 (anonymous
namespace)::CrashRecoveryContextImpl::HandleCrash(int, unsigned long)
(/mnt/ext/adlr/FN/emsdk/upstream/bin/../lib/libLLVM-11git.so+0x704553)
#4 0x00007f645ad9068c CrashRecoverySignalHandler(int)
(/mnt/ext/adlr/FN/emsdk/upstream/bin/../lib/libLLVM-11git.so+0x70468c)
#5 0x00007f645a64c520 __restore_rt
(/lib/x86_64-linux-gnu/libpthread.so.0+0x13520)
#6 0x00007f6456c94f61 raise
/build/glibc-oCLvUT/glibc-2.29/signal/../sysdeps/unix/sysv/linux/raise.c:51:1
#7 0x00007f6456c80535 abort /build/glibc-oCLvUT/glibc-2.29/stdlib/abort.c:81:7
#8 0x00007f6456c8040f _nl_load_domain
/build/glibc-oCLvUT/glibc-2.29/intl/loadmsgcat.c:1177:9
#9 0x00007f6456c8db92 (/lib/x86_64-linux-gnu/libc.so.6+0x32b92)
#10 0x00007f645c354164 llvm::MCStreamer::SwitchSection(llvm::MCSection*,
llvm::MCExpr const*)
(/mnt/ext/adlr/FN/emsdk/upstream/bin/../lib/libLLVM-11git.so+0x1cc8164)
#11 0x00007f645b724954 llvm::DwarfDebug::emitDebugPubSections()
(/mnt/ext/adlr/FN/emsdk/upstream/bin/../lib/libLLVM-11git.so+0x1098954)
#12 0x00007f645b6f2c73 llvm::AsmPrinter::doFinalization(llvm::Module&)
(/mnt/ext/adlr/FN/emsdk/upstream/bin/../lib/libLLVM-11git.so+0x1066c73)
#13 0x00007f645afb7485 llvm::FPPassManager::doFinalization(llvm::Module&)
(/mnt/ext/adlr/FN/emsdk/upstream/bin/../lib/libLLVM-11git.so+0x92b485)
#14 0x00007f645afb7b4a llvm::legacy::PassManagerImpl::run(llvm::Module&)
(/mnt/ext/adlr/FN/emsdk/upstream/bin/../lib/libLLVM-11git.so+0x92bb4a)
#15 0x00007f6458731058 clang::EmitBackendOutput(clang::DiagnosticsEngine&,
clang::HeaderSearchOptions const&, clang::CodeGenOptions const&,
clang::TargetOptions const&, clang::LangOptions const&, llvm::DataLayout
const&, llvm::Module*, clang::BackendAction,
std::unique_ptr<llvm::raw_pwrite_stream,
std::default_delete<llvm::raw_pwrite_stream> >)
(/mnt/ext/adlr/FN/emsdk/upstream/bin/../lib/libclang-cpp.so.11git+0x17b7058)
#16 0x00007f6458a2bf4d
clang::BackendConsumer::HandleTranslationUnit(clang::ASTContext&)
(/mnt/ext/adlr/FN/emsdk/upstream/bin/../lib/libclang-cpp.so.11git+0x1ab1f4d)
#17 0x00007f6457821593 clang::ParseAST(clang::Sema&, bool, bool)
(/mnt/ext/adlr/FN/emsdk/upstream/bin/../lib/libclang-cpp.so.11git+0x8a7593)
#18 0x00007f6459239440 clang::FrontendAction::Execute()
(/mnt/ext/adlr/FN/emsdk/upstream/bin/../lib/libclang-cpp.so.11git+0x22bf440)
#19 0x00007f64591d3c63
clang::CompilerInstance::ExecuteAction(clang::FrontendAction&)
(/mnt/ext/adlr/FN/emsdk/upstream/bin/../lib/libclang-cpp.so.11git+0x2259c63)
#20 0x00007f64592a98d3
clang::ExecuteCompilerInvocation(clang::CompilerInstance*)
(/mnt/ext/adlr/FN/emsdk/upstream/bin/../lib/libclang-cpp.so.11git+0x232f8d3)
#21 0x0000000000410d88 cc1_main(llvm::ArrayRef<char const*>, char const*,
void*) (/mnt/ext/adlr/FN/emsdk/upstream/bin/clang+0x410d88)
#22 0x000000000040ef7c ExecuteCC1Tool(llvm::SmallVectorImpl<char const*>&)
(/mnt/ext/adlr/FN/emsdk/upstream/bin/clang+0x40ef7c)
#23 0x00007f6458e85ad2 void llvm::function_ref<void
()>::callback_fn<clang::driver::CC1Command::Execute(llvm::ArrayRef<llvm::Optional<llvm::StringRef>
>, std::__cxx11::basic_string<char, std::char_traits<char>,
std::allocator<char> >*, bool*) const::$_1>(long)
(/mnt/ext/adlr/FN/emsdk/upstream/bin/../lib/libclang-cpp.so.11git+0x1f0bad2)
#24 0x00007f645ad90471
llvm::CrashRecoveryContext::RunSafely(llvm::function_ref<void ()>)
(/mnt/ext/adlr/FN/emsdk/upstream/bin/../lib/libLLVM-11git.so+0x704471)
#25 0x00007f6458e850dd
clang::driver::CC1Command::Execute(llvm::ArrayRef<llvm::Optional<llvm::StringRef>
>, std::__cxx11::basic_string<char, std::char_traits<char>,
std::allocator<char> >*, bool*) const
(/mnt/ext/adlr/FN/emsdk/upstream/bin/../lib/libclang-cpp.so.11git+0x1f0b0dd)
#26 0x00007f6458e53f8b
clang::driver::Compilation::ExecuteCommand(clang::driver::Command const&,
clang::driver::Command const*&) const
(/mnt/ext/adlr/FN/emsdk/upstream/bin/../lib/libclang-cpp.so.11git+0x1ed9f8b)
#27 0x00007f6458e54377
clang::driver::Compilation::ExecuteJobs(clang::driver::JobList const&,
llvm::SmallVectorImpl<std::pair<int, clang::driver::Command const*> >&) const
(/mnt/ext/adlr/FN/emsdk/upstream/bin/../lib/libclang-cpp.so.11git+0x1eda377)
#28 0x00007f6458e6c9c8
clang::driver::Driver::ExecuteCompilation(clang::driver::Compilation&,
llvm::SmallVectorImpl<std::pair<int, clang::driver::Command const*> >&)
(/mnt/ext/adlr/FN/emsdk/upstream/bin/../lib/libclang-cpp.so.11git+0x1ef29c8)
#29 0x000000000040e9a3 main
(/mnt/ext/adlr/FN/emsdk/upstream/bin/clang+0x40e9a3)
#30 0x00007f6456c81bbb __libc_start_main
/build/glibc-oCLvUT/glibc-2.29/csu/../csu/libc-start.c:342:3
#31 0x000000000040be0a _start
(/mnt/ext/adlr/FN/emsdk/upstream/bin/clang+0x40be0a)
clang: error: clang frontend command failed due to signal (use -v to see
invocation)
clang version 11.0.0
(/b/s/w/ir/cache/git/chromium.googlesource.com-external-github.com-llvm-llvm--project
57d361bd2f3668eefa7028ad4a2d616317ed437c)
Target: wasm32-unknown-emscripten
Thread model: posix
InstalledDir: /mnt/ext/adlr/FN/emsdk/upstream/bin
Registered Targets:
wasm32 - WebAssembly 32-bit
wasm64 - WebAssembly 64-bit
x86 - 32-bit X86: Pentium-Pro and above
x86-64 - 64-bit X86: EM64T and AMD64
clang: note: diagnostic msg:
********************
PLEASE ATTACH THE FOLLOWING FILES TO THE BUG REPORT:
Preprocessed source(s) and associated run script(s) are located at:
clang: note: diagnostic msg: /tmp/bio-68852d.c
clang: note: diagnostic msg: /tmp/bio-68852d.sh
clang: note: diagnostic msg:
********************
emcc: error: '/mnt/ext/adlr/FN/emsdk/upstream/bin/clang -target
wasm32-unknown-emscripten -D__EMSCRIPTEN_major__=1 -D__EMSCRIPTEN_minor__=39
-D__EMSCRIPTEN_tiny__=15 -D_LIBCPP_ABI_VERSION=2 -Dunix -D__unix -D__unix__
-Werror=implicit-function-declaration -Xclang -nostdsysteminc -Xclang
-isystem/mnt/ext/adlr/FN/emsdk/upstream/emscripten/system/include/compat
-Xclang -isystem/mnt/ext/adlr/FN/emsdk/upstream/emscripten/system/include
-Xclang -isystem/mnt/ext/adlr/FN/emsdk/upstream/emscripten/system/include/libc
-Xclang
-isystem/mnt/ext/adlr/FN/emsdk/upstream/emscripten/system/lib/libc/musl/arch/emscripten
-Xclang -isystem/mnt/ext/adlr/FN/emsdk/upstream/emscripten/system/local/include
-Xclang -isystem/usr/local/google/home/adlr/.emscripten_cache/wasm/include
-DEMSCRIPTEN -fignore-exceptions -MMD -MF
obj/third_party/fx_libopenjpeg/bio.o.d -D_GNU_SOURCE -D_FILE_OFFSET_BITS=64
-D_LARGEFILE_SOURCE -D_LARGEFILE64_SOURCE
-DCR_CLANG_REVISION="n346557-4e0d9925-3" -DNDEBUG -DNVALGRIND
-DDYNAMIC_ANNOTATIONS_ENABLED=0 -DPNG_PREFIX -DPNG_USE_READ_MACROS -DOPJ_STATIC
-I../.. -Igen -I../.. -fno-strict-aliasing --param=ssp-buffer-size=4
-fstack-protector -funwind-tables -fcolor-diagnostics -fmerge-all-constants
-Wno-builtin-macro-redefined -D__DATE__= -D__TIME__= -D__TIMESTAMP__=
-no-canonical-prefixes -O2 -fno-ident -fdata-sections -ffunction-sections
-fomit-frame-pointer -Xclang -debug-info-kind=constructor -ggnu-pubnames
-ftrivial-auto-var-init=pattern -fvisibility=hidden -Wheader-hygiene
-Wstring-conversion -Wtautological-overlap-compare -Werror -Wall
-Wno-unused-variable -Wno-misleading-indentation
-Wno-missing-field-initializers -Wno-unused-parameter -Wno-c++11-narrowing
-Wno-unneeded-internal-declaration -Wno-undefined-var-template
-Wno-implicit-int-float-conversion -Wno-final-dtor-non-final-class
-Wno-builtin-assume-aligned-alignment -Wno-deprecated-copy
-Wno-non-c-typedef-for-linkage -std=c11 -Wno-implicit-fallthrough -c
../../third_party/libopenjpeg20/bio.c -Xclang
-isystem/mnt/ext/adlr/FN/emsdk/upstream/emscripten/system/include/SDL -c -o
obj/third_party/fx_libopenjpeg/bio.o -mllvm
-combiner-global-alias-analysis=false -mllvm -enable-emscripten-sjlj -mllvm
-disable-lsr' failed (254)
ninja: build stopped: subcommand failed.
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