[PROTON-1375] Compile without warnings under clang 4.0

• Type: Bug
• Status: Closed
• Priority: Minor
• Resolution: Resolved
• Affects Version/s: proton-0.16.0
• Fix Version/s: proton-c-0.18.0
• Component/s: proton-c
• Environment: Debian Jessie. Install latest clang 4.0 snapshot from http://apt.llvm.org/.
• Assignee: Andrew Stitcher
• Reporter: Jiri Daněk
• Created: 10/Dec/16 16:22
• Updated: 24/Oct/17 08:44
• Resolved: 24/Aug/17 09:58

Description

The following warnings prevent me from compiling proton-c with clang 4.0 snaphot

1. /qpid-proton-fuzz/proton-c/src/tests/object.c:60:16: error: passing an object that undergoes default argument promotion to 'va_start' has undefined behavior
2. /test/qpid-proton/proton-c/bindings/cpp/include/proton/message.hpp:51:11: error: instantiation of function
   'proton::internal::cached_map<std::basic_string<char>, proton::scalar>::cached_map' required here, but no definition is

see complete error messages in comments below

Issue Links

• is a clone of: PROTON-1246 Compile without warnings under clang++ 3.8
• is cloned by: PROTON-1379 Compile without warnings under g++ 7.0