http://llvm.org/bugs/show_bug.cgi?id=21960
Bug ID: 21960
Summary: [fuzz] Assertion `(BacktrackPositions.empty() ||
BacktrackPositions.back() < i) && "The backtrack pos
points inside the annotated tokens!"' failed.
Product: clang
Version: trunk
Hardware: PC
OS: Linux
Status: NEW
Severity: normal
Priority: P
Component: -New Bugs
Assignee: [email protected]
Reporter: [email protected]
CC: [email protected]
Classification: Unclassified
Fuzzing discovered that the test case below, when given as input to
clang -fno-crash-diagnostics -std=c++11 -xc++ -c -emit-llvm
causes this assertion failure:
clang-3.6: tools/clang/lib/Lex/PPCaching.cpp:109: void
clang::Preprocessor::AnnotatePreviousCachedTokens(const clang::Token&):
Assertion `(BacktrackPositions.empty() || BacktrackPositions.back() < i) &&
"The backtrack pos points inside the annotated tokens!"' failed.
Test case:
--------------------------------------------------
struct S {}
template<T> struct K : S
K<>
--------------------------------------------------
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