diagnostics missing from -Wc++-compat #21898
Labels
bugzilla
Issues migrated from bugzilla
c
c++
clang:diagnostics
New/improved warning or error message in Clang, but not in clang-tidy or static analyzer
confirmed
Verified by a second party
Extended Description
From http://lists.cs.uiuc.edu/pipermail/cfe-dev/2014-November/039875.html
clang doesn't print warning for following test-case:
compiled with: clang -fsyntax-only -Wc++-compat
int new;
struct A
{
struct B
{
int x;
}bs;
int y;
};
struct B b;
gcc -fsyntax-only -Wc++-compat prints following warnings (gcc-4.9.1 ubuntu):
t.c:1:5: warning: identifier ‘new’ conflicts with C++ keyword [-Wc++-compat]
int new;
^
t.c:13:8: warning: struct defined in struct or union is not visible in
C++ [-Wc++-compat]
struct B b;
^
t.c:5:10: note: struct defined here
struct B
^
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