http://llvm.org/bugs/show_bug.cgi?id=20459
Bug ID: 20459
Summary: Dependent template-id parsing fails to match angle
brackets in certain comma delimited contexts
Product: clang
Version: trunk
Hardware: All
OS: All
Status: NEW
Severity: normal
Priority: P
Component: C++
Assignee: [email protected]
Reporter: [email protected]
CC: [email protected], [email protected]
Classification: Unclassified
Clang chokes on commas in template argument lists in dependent template-ids in
certain contexts.
### SOURCE:
$ cat dependentTemplateComma.cc
template <typename EncTraits> struct A {
void foo(int = EncTraits::template TypeEnc<int, int>::val);
};
### COMPILER INVOCATION AND OUTPUT:
$ /build/clang/workdir/Debug+Asserts/bin/clang++ dependentTemplateComma.cc -c
dependentTemplateComma.cc:2:55: error: expected ')'
void foo(int = EncTraits::template TypeEnc<int, int>::val);
^
dependentTemplateComma.cc:2:12: note: to match this '('
void foo(int = EncTraits::template TypeEnc<int, int>::val);
^
dependentTemplateComma.cc:2:50: error: expected '>'
void foo(int = EncTraits::template TypeEnc<int, int>::val);
^
2 errors generated.
### EXPECTED BEHAVIOUR:
Clean compile.
### COMPILER VERSION INFO:
$ /build/clang/workdir/Debug+Asserts/bin/clang++ -v
clang version 3.5.0 (trunk 212631)
Target: x86_64-unknown-linux-gnu
Thread model: posix
Found candidate GCC installation: /usr/lib/gcc/x86_64-linux-gnu/4.8
Found candidate GCC installation: /usr/lib/gcc/x86_64-linux-gnu/4.8.2
Found candidate GCC installation: /usr/lib/gcc/x86_64-linux-gnu/4.9
Found candidate GCC installation: /usr/lib/gcc/x86_64-linux-gnu/4.9.0
Selected GCC installation: /usr/lib/gcc/x86_64-linux-gnu/4.8
Candidate multilib: .;@m64
Selected multilib: .;@m64
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