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b79b3c8160
Currently, this fails with many tools, e.g. $ clang -fembed-bitcode-marker -c -o test.o test.c $ nm test.o nm: test.o The file was not recognized as a valid object file -fembed-bitcode-marker creates a LLVM,bitcode section consisting of a single byte. When reading the object file, IRObjectFile::findBitcodeInObject succeeds, causing SymbolicFile::createSymbolicFile to try to read the "bitcode" rather than using the outer Mach-O data - when then fails. Fix this by making findBitcodeInObject return an error if the section size <= 1. Patched by: Nicholas Allegra Differential Revision: https://reviews.llvm.org/D44373 git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@356718 91177308-0d34-0410-b5e6-96231b3b80d8
13 lines
393 B
Plaintext
13 lines
393 B
Plaintext
# Inputs generated with:
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# echo 'int hello() { return 5; }' > test.c
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# clang -O -fembed-bitcode -c -o macho-bitcode-x86_64.o test.c
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# clang -O -fembed-bitcode-marker -c -o macho-bitcode-marker-x86_64.o test.c
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RUN: llvm-nm -a %p/Inputs/macho-bitcode-x86_64.o \
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RUN: | FileCheck %s
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RUN: llvm-nm -a %p/Inputs/macho-bitcode-marker-x86_64.o \
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RUN: | FileCheck %s
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CHECK: T _hello
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