http://llvm.org/bugs/show_bug.cgi?id=12713
Bug #: 12713
Summary: Unbalanced decltype crashes the frontend
Product: clang
Version: unspecified
Platform: PC
OS/Version: Linux
Status: NEW
Severity: enhancement
Priority: P
Component: C++11
AssignedTo: [email protected]
ReportedBy: [email protected]
CC: [email protected], [email protected]
Classification: Unclassified
#include <type_traits>
template<class T>
void foo(typename std::conditional<false, decltype((1), int>::type)
{
}
int main()
{
return foo<int>(0);
}
Note the missing second ) in the argument definition of foo. Compiling this
code results in an assert on my machine:
bar.cpp:6:6: error: expected '(' for function-style cast or type
construction
int>::type)
~~~^
clang: /srv/build/clang-svn/src/llvm/tools/clang/lib/Lex/PPCaching.cpp:101:
void clang::Preprocessor::AnnotatePreviousCachedTokens(const clang::Token &):
Assertion `CachedTokens[CachedLexPos-1].getLastLoc() ==
Tok.getAnnotationEndLoc() && "The annotation should be until the most recent
cached token"' failed.
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