http://llvm.org/bugs/show_bug.cgi?id=6982
Summary: Poor diagnostic for non-template used as template
Product: clang
Version: 2.7
Platform: PC
OS/Version: Linux
Status: NEW
Severity: enhancement
Priority: P
Component: -New Bugs
AssignedTo: [email protected]
ReportedBy: [email protected]
CC: [email protected]
Created an attachment (id=4776)
--> (http://llvm.org/bugs/attachment.cgi?id=4776)
Source file (as pasted in description)
I came across this from a pasto on my part. Given this code:
template <int UnitBits>
struct big_unit_big_bit {};
typedef big_unit_big_bit<8> big_octet_big_bit;
template <typename Endianness>
struct imploder;
template <int UnitBits>
struct imploder<big_octet_big_bit<UnitBits> > {};
I get the following from clang++:
clang.cc:9:34: error: expected '>'
struct imploder<big_octet_big_bit<UnitBits> > {};
^
clang.cc:9:1: error: declaration of anonymous struct must be a definition
struct imploder<big_octet_big_bit<UnitBits> > {};
^
clang.cc:9:1: error: declaration does not declare anything
struct imploder<big_octet_big_bit<UnitBits> > {};
^
3 diagnostics generated.
For comparison, g++ (I tried 3.4, 4.1, 4.3, and 4.4) gives this:
clang.cc:9: error: ‘big_octet_big_bit’ is not a template
clang.cc:9: error: template parameters not used in partial specialization:
clang.cc:9: error: ‘UnitBits’
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