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| author | Ben Cheng <bccheng@google.com> | 2014-03-25 22:37:19 -0700 |
|---|---|---|
| committer | Ben Cheng <bccheng@google.com> | 2014-03-25 22:37:19 -0700 |
| commit | 1bc5aee63eb72b341f506ad058502cd0361f0d10 (patch) | |
| tree | c607e8252f3405424ff15bc2d00aa38dadbb2518 /gcc-4.9/gcc/testsuite/gcc.dg/mismatch-decl-1.c | |
| parent | 283a0bf58fcf333c58a2a92c3ebbc41fb9eb1fdb (diff) | |
| download | toolchain_gcc-1bc5aee63eb72b341f506ad058502cd0361f0d10.tar.gz toolchain_gcc-1bc5aee63eb72b341f506ad058502cd0361f0d10.tar.bz2 toolchain_gcc-1bc5aee63eb72b341f506ad058502cd0361f0d10.zip | |
Initial checkin of GCC 4.9.0 from trunk (r208799).
Change-Id: I48a3c08bb98542aa215912a75f03c0890e497dba
Diffstat (limited to 'gcc-4.9/gcc/testsuite/gcc.dg/mismatch-decl-1.c')
| -rw-r--r-- | gcc-4.9/gcc/testsuite/gcc.dg/mismatch-decl-1.c | 22 |
1 files changed, 22 insertions, 0 deletions
diff --git a/gcc-4.9/gcc/testsuite/gcc.dg/mismatch-decl-1.c b/gcc-4.9/gcc/testsuite/gcc.dg/mismatch-decl-1.c new file mode 100644 index 000000000..da4db0a57 --- /dev/null +++ b/gcc-4.9/gcc/testsuite/gcc.dg/mismatch-decl-1.c @@ -0,0 +1,22 @@ +/* This test assumes -fbuiltin and not -fansi to get "index" and "memchr" builtin DECLs. */ +/* { dg-do compile } */ +/* { dg-options "" } */ + +/* The bug this is testing is that if a new decl conflicts with an + explicit decl, you don't get the "changes type of builtin" message, + but if there was *also* a builtin, you *also* don't get the + "previous declaration was here" message, leaving you with no clue + where the previous declaration came from. */ + +extern char foo(int,int); /* { dg-message "previous declaration of 'foo' was here" } */ +extern char *index(const char *,int); /* { dg-message "previous declaration of 'index' was here" } */ + +/* This changes the type of "index", which is both a builtin and an + explicit decl. */ +int index; /* { dg-error "redeclared as different kind of symbol" } */ + +/* This changes the type of "memchr", which is only a builtin. */ +int memchr; /* { dg-warning "built-in function 'memchr' declared as non-function" } */ + +/* This changes the type of "foo", which is only an explicit decl. */ +int foo; /* { dg-error "redeclared as different kind of symbol" } */ |