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[llvm-mc-assemble-fuzzer] Initialize MCTargetOptions.

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When run the command in the llvm-mc-assemble-fuzzer document,

```
llvm-mc-fuzzer --triple=aarch64-linux-gnu --fuzzer-args -max_len=4
```

it triggers the following assertion:

```
llvm-mc-assemble-fuzzer:
llvm-project/llvm/lib/MC/MCTargetOptionsCommandFlags.cpp:38:
bool llvm::mc::getRelaxAll(): Assertion `RelaxAllView &&
"RegisterMCTargetOptionsFlags not created."' failed.
```

It is caused by no global RegisterMCTargetOptionsFlags object to initialize
the MC target options.

Differential Revision: https://reviews.llvm.org/D106417
This commit is contained in:
Hsiangkai Wang 2021-07-21 10:27:35 +08:00
parent f303e248b9
commit c6d5dd6f53
1 changed files with 2 additions and 0 deletions
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2
tools/llvm-mc-assemble-fuzzer/llvm-mc-assemble-fuzzer.cpp
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@ -37,6 +37,8 @@
using namespace llvm; using namespace llvm;
static mc::RegisterMCTargetOptionsFlags MOF;
static cl::opt<std::string> static cl::opt<std::string>
TripleName("triple", cl::desc("Target triple to assemble for, " TripleName("triple", cl::desc("Target triple to assemble for, "
"see -version for available targets")); "see -version for available targets"));