https://llvm.org/bugs/show_bug.cgi?id=23554
Bug ID: 23554
Summary: clang incorrectly detects a circular template
recursion where there is none
Product: clang
Version: trunk
Hardware: PC
OS: Windows NT
Status: NEW
Severity: normal
Priority: P
Component: C++11
Assignee: [email protected]
Reporter: [email protected]
CC: [email protected], [email protected]
Classification: Unclassified
Created attachment 14335
--> https://llvm.org/bugs/attachment.cgi?id=14335&action=edit
File containing code causing the problem
In the attached code clang seems to to be trying to resolve a template
recursion where there is actually none in line 12 (the return type declaration
using decltype). With MSVC12 (2013) and gcc4.9 the same code compiles without
any errors or warnings.
Workaround: Replacing the explicit decltype declaration with C++14's
decltype(auto) results in compilation without errors.
I tested this with clang3.6 on OSX and the 3.7 trunk version on Windows in MSVC
emulation mode with the same outcome.
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