https://bugs.llvm.org/show_bug.cgi?id=40908
Bug ID: 40908
Summary: Segfault in StmtPrinter::VisitIntegerLiteral for
__int128 values
Product: clang
Version: trunk
Hardware: PC
OS: All
Status: NEW
Severity: normal
Priority: P
Component: -New Bugs
Assignee: unassignedclangb...@nondot.org
Reporter: arthur.j.odw...@gmail.com
CC: htmldevelo...@gmail.com, llvm-bugs@lists.llvm.org,
neeil...@live.com, richard-l...@metafoo.co.uk
// https://godbolt.org/z/qFl8Dd
template<__int128 C>
void f() {
static_assert(C == 42);
}
void g() {
f<1>();
}
Partial stack trace:
#3 0x00007f2b12b96890 __restore_rt
(/lib/x86_64-linux-gnu/libpthread.so.0+0x12890)
#4 0x000055fbc7832253 llvm::raw_ostream::write(unsigned char)
(/opt/compiler-explorer/clang-trunk-20190228/bin/clang-9+0x252b253)
#5 0x000055fbc960b3ba (anonymous
namespace)::StmtPrinter::VisitIntegerLiteral(clang::IntegerLiteral*)
(/opt/compiler-explorer/clang-trunk-20190228/bin/clang-9+0x43043ba)
#6 0x000055fbc960c68d (anonymous namespace)::StmtPrinter::Visit(clang::Stmt*)
(/opt/compiler-explorer/clang-trunk-20190228/bin/clang-9+0x430568d)
#7 0x000055fbc960cdaa (anonymous namespace)::StmtPrinter::Visit(clang::Stmt*)
(/opt/compiler-explorer/clang-trunk-20190228/bin/clang-9+0x4305daa)
#8 0x000055fbc9612708 (anonymous
namespace)::StmtPrinter::VisitBinaryOperator(clang::BinaryOperator*)
(/opt/compiler-explorer/clang-trunk-20190228/bin/clang-9+0x430b708)
#9 0x000055fbc960bce3 (anonymous namespace)::StmtPrinter::Visit(clang::Stmt*)
(/opt/compiler-explorer/clang-trunk-20190228/bin/clang-9+0x4304ce3)
#10 0x000055fbc960df82 clang::Stmt::printPretty(llvm::raw_ostream&,
clang::PrinterHelper*, clang::PrintingPolicy const&, unsigned int,
llvm::StringRef, clang::ASTContext const*) const
(/opt/compiler-explorer/clang-trunk-20190228/bin/clang-9+0x4306f82)
#11 0x000055fbc91b32f7
clang::Sema::findFailedBooleanCondition[abi:cxx11](clang::Expr*)
(/opt/compiler-explorer/clang-trunk-20190228/bin/clang-9+0x3eac2f7)
#12 0x000055fbc8ed05c2
clang::Sema::BuildStaticAssertDeclaration(clang::SourceLocation, clang::Expr*,
clang::StringLiteral*, clang::SourceLocation, bool)
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