https://llvm.org/bugs/show_bug.cgi?id=25902
Bug ID: 25902
Summary: Cross-DSO control flow integrity doesn't work for 32
target on 64-bit host
Product: new-bugs
Version: trunk
Hardware: PC
OS: Windows NT
Status: NEW
Severity: normal
Priority: P
Component: new bugs
Assignee: unassignedb...@nondot.org
Reporter: hjl.to...@gmail.com
CC: eugeni.stepa...@gmail.com, llvm-bugs@lists.llvm.org
Classification: Unclassified
[hjl@gnu-mic-2 llvm-clang]$
/export/build/gnu/llvm-clang/build-x86_64-linux/./bin/clang -m32
--driver-mode=g++ -fuse-ld=gold -flto -fsanitize=cfi -fsanitize-cfi-cross-dso
-DSHARED_LIB
/export/gnu/import/git/llvm/projects/compiler-rt/test/cfi/cross-dso/icall/icall-from-dso.cpp
-fPIC -shared -o
/export/build/gnu/llvm-clang/build-x86_64-linux/projects/compiler-rt/test/cfi/cross-dso/icall/Output/icall-from-dso.cpp.tmp-so.so
ld.gold: /export/gnu/import/git/llvm/lib/IR/Constants.cpp:1643: static
llvm::Constant* llvm::ConstantExpr::getTrunc(llvm::Constant*, llvm::Type*,
bool): Assertion `C->getType()->getScalarSizeInBits() >
Ty->getScalarSizeInBits()&& "SrcTy must be larger than DestTy for Trunc!"'
failed.
clang-3.8: error: unable to execute command: Aborted (core dumped)
clang-3.8: error: linker command failed due to signal (use -v to see
invocation)
[hjl@gnu-mic-2 llvm-clang]$
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