shi-yan added a comment.
Herald added a project: LLVM.
I'm hitting a crash by this code,
getting:
exception thrown: RuntimeError: unreachable,RuntimeError: unreachable
at ComputeLineNumbers(clang::DiagnosticsEngine&,
clang::SrcMgr::ContentCache*, llvm::BumpPtrAllocatorImpl<llvm::MallocAllocator,
4096ul, 4096ul>&, clang::SourceManager const&, bool&) (wasm-function[21781]:719)
at clang::SourceManager::getLineNumber(clang::FileID, unsigned int,
bool*) const (wasm-function[21780]:187)
at clang::SourceManager::getPresumedLoc(clang::SourceLocation, bool)
const (wasm-function[21779]:733)
at clang::Preprocessor::HandlePragmaSystemHeader(clang::Token&)
(wasm-function[21284]:297)
at (anonymous
namespace)::PragmaSystemHeaderHandler::HandlePragma(clang::Preprocessor&,
clang::PragmaIntroducer, clang::Token&) (wasm-function[21317]:5)
at clang::PragmaNamespace::HandlePragma(clang::Preprocessor&,
clang::PragmaIntroducer, clang::Token&) (wasm-function[21278]:565)
at clang::PragmaNamespace::HandlePragma(clang::Preprocessor&,
clang::PragmaIntroducer, clang::Token&) (wasm-function[21278]:565)
at clang::Preprocessor::HandlePragmaDirective(clang::PragmaIntroducer)
(wasm-function[21279]:142)
at clang::Preprocessor::HandleDirective(clang::Token&)
(wasm-function[21157]:1721)
at clang::Lexer::LexTokenInternal(clang::Token&, bool)
(wasm-function[20897]:14349)
The reason seems to be that the code appears to expect the Buf is zero ended,
but it doesn't seem to be the case. The last character of the Buf was actually
\n
Repository:
rL LLVM
CHANGES SINCE LAST ACTION
https://reviews.llvm.org/D55484/new/
https://reviews.llvm.org/D55484
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