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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/pointer-arith-2.c | |
| parent | 283a0bf58fcf333c58a2a92c3ebbc41fb9eb1fdb (diff) | |
| download | toolchain_gcc-1bc5aee63eb72b341f506ad058502cd0361f0d10.zip toolchain_gcc-1bc5aee63eb72b341f506ad058502cd0361f0d10.tar.gz toolchain_gcc-1bc5aee63eb72b341f506ad058502cd0361f0d10.tar.bz2 | |
Initial checkin of GCC 4.9.0 from trunk (r208799).
Change-Id: I48a3c08bb98542aa215912a75f03c0890e497dba
Diffstat (limited to 'gcc-4.9/gcc/testsuite/gcc.dg/pointer-arith-2.c')
| -rw-r--r-- | gcc-4.9/gcc/testsuite/gcc.dg/pointer-arith-2.c | 41 |
1 files changed, 41 insertions, 0 deletions
diff --git a/gcc-4.9/gcc/testsuite/gcc.dg/pointer-arith-2.c b/gcc-4.9/gcc/testsuite/gcc.dg/pointer-arith-2.c new file mode 100644 index 0000000..cda287c --- /dev/null +++ b/gcc-4.9/gcc/testsuite/gcc.dg/pointer-arith-2.c @@ -0,0 +1,41 @@ +/* Test diagnostics for arithmetic on void and function pointers. + Test with -Wpointer-arith. */ +/* Origin: Joseph Myers <joseph@codesourcery.com> */ +/* { dg-do compile } */ +/* { dg-options "-Wpointer-arith" } */ + +void *p; +void (*f)(void); + +void +g (void) +{ + p + 0; /* { dg-warning "pointer of type 'void \\*' used in arithmetic" } */ + p + 1; /* { dg-warning "pointer of type 'void \\*' used in arithmetic" } */ + 0 + p; /* { dg-warning "pointer of type 'void \\*' used in arithmetic" } */ + 1 + p; /* { dg-warning "pointer of type 'void \\*' used in arithmetic" } */ + p - 0; /* { dg-warning "pointer of type 'void \\*' used in arithmetic" } */ + p - 1; /* { dg-warning "pointer of type 'void \\*' used in arithmetic" } */ + p += 0; /* { dg-warning "pointer of type 'void \\*' used in arithmetic" } */ + p += 1; /* { dg-warning "pointer of type 'void \\*' used in arithmetic" } */ + p -= 0; /* { dg-warning "pointer of type 'void \\*' used in arithmetic" } */ + p -= 1; /* { dg-warning "pointer of type 'void \\*' used in arithmetic" } */ + f + 0; /* { dg-warning "pointer to a function used in arithmetic" } */ + f + 1; /* { dg-warning "pointer to a function used in arithmetic" } */ + 0 + f; /* { dg-warning "pointer to a function used in arithmetic" } */ + 1 + f; /* { dg-warning "pointer to a function used in arithmetic" } */ + f - 0; /* { dg-warning "pointer to a function used in arithmetic" } */ + f - 1; /* { dg-warning "pointer to a function used in arithmetic" } */ + f += 0; /* { dg-warning "pointer to a function used in arithmetic" } */ + f += 1; /* { dg-warning "pointer to a function used in arithmetic" } */ + f -= 0; /* { dg-warning "pointer to a function used in arithmetic" } */ + f -= 1; /* { dg-warning "pointer to a function used in arithmetic" } */ + p[0]; /* { dg-warning "dereferencing 'void \\*' pointer" } */ + /* { dg-warning "pointer of type 'void \\*' used in arithmetic" "array 1" { target *-*-* } 33 } */ + 0[p]; /* { dg-warning "dereferencing 'void \\*' pointer" } */ + /* { dg-warning "pointer of type 'void \\*' used in arithmetic" "array 1" { target *-*-* } 35 } */ + f[0]; /* { dg-error "subscripted value is pointer to function" } */ + 0[f]; /* { dg-error "subscripted value is pointer to function" } */ + p - p; /* { dg-warning "pointer of type 'void \\*' used in subtraction" } */ + f - f; /* { dg-warning "pointer to a function used in subtraction" } */ +} |