[llvm-bugs] [Bug 43961] New: clang misses the expected identifier error

[via llvm-bugs]

https://bugs.llvm.org/show_bug.cgi?id=43961

            Bug ID: 43961
           Summary: clang misses the expected identifier error
           Product: clang
           Version: trunk
          Hardware: PC
                OS: Linux
            Status: NEW
          Severity: enhancement
          Priority: P
         Component: Frontend
          Assignee: unassignedclangbugs at nondot.org
          Reporter: tangyixuan at mail.dlut.edu.cn
                CC: llvm-bugs at lists.llvm.org, neeilans at live.com,
                    richard-llvm at metafoo.co.uk

The following code misses the function name in the function declaration. Clang
does not issue expected identifier instead of the fowing warnings or errors. 

$: cat s.c
typedef int int32_t;
static const int32_t (int32_t a);

$: clang -Weverything -pedantic -ferror-limit=0 -c s.c

s.c:2:31: error: expected ')'
static const int32_t (int32_t a);
                                             ^
s.c:2:22: note: to match this '('
static const int32_t (int32_t a);
                                ^
s.c:2:22: warning: redundant parentheses surrounding declarator
[-Wredundant-parens]
static const int32_t (int32_t a);
                                ^~~~~~~~~~~
s.c:2:23: error: redefinition of 'int32_t' as different kind of symbol
static const int32_t (int32_t a);
                                 ^
s.c:1:13: note: previous definition is here
typedef int int32_t;
                  ^
1 warning and 2 errors generated.

$: clang-trunk -v
clang version 10.0.0 (https://github.com/llvm/llvm-project.git
49c4e58b75ecec8dce75dd13c61aaeb30e14b531)
Target: x86_64-unknown-linux-gnu
Thread model: posix

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