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author | Ben Cheng <bccheng@google.com> | 2014-03-25 22:37:19 -0700 |
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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/c99-static-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/c99-static-1.c')
-rw-r--r-- | gcc-4.9/gcc/testsuite/gcc.dg/c99-static-1.c | 35 |
1 files changed, 35 insertions, 0 deletions
diff --git a/gcc-4.9/gcc/testsuite/gcc.dg/c99-static-1.c b/gcc-4.9/gcc/testsuite/gcc.dg/c99-static-1.c new file mode 100644 index 000000000..a138f878d --- /dev/null +++ b/gcc-4.9/gcc/testsuite/gcc.dg/c99-static-1.c @@ -0,0 +1,35 @@ +/* It is a constraint violation for a static function to be declared + but not defined if it is used except in a sizeof expression whose + result is an integer constant. The use of the function simply + being unevaluated is not enough. */ +/* Origin: Joseph Myers <jsm@polyomino.org.uk> */ +/* { dg-do compile } */ +/* { dg-options "-O2 -std=iso9899:1999 -pedantic-errors" } */ + +/* Constraint violation (trivial case, where function is used). */ +static void f0(void); /* { dg-error "used but never defined" } */ +void g0(void) { f0(); } + +/* Constraint violation. */ +static void f1(void); /* { dg-error "used but never defined" } */ +void g1(void) { if (0) { f1(); } } + +/* Constraint violation. */ +static int f2(void); /* { dg-error "used but never defined" } */ +void g2(void) { 0 ? f2() : 0; } + +/* OK. */ +static int f3(void); +void g3(void) { sizeof(f3()); } + +/* OK (VM type, not VLA). */ +static int f4(void); +void g4(void) { sizeof(int (*)[f4()]); } + +/* Constraint violation (VLA). */ +static int f5(void); /* { dg-error "used but never defined" "VLA" } */ +void g5(void) { sizeof(int [0 ? f5() : 1]); } + +/* OK (non-constant sizeof inside constant sizeof). */ +static int f6(void); +void g6(void) { sizeof(sizeof(int [f6()])); } |