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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/compare9.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/compare9.c')
-rw-r--r-- | gcc-4.9/gcc/testsuite/gcc.dg/compare9.c | 41 |
1 files changed, 41 insertions, 0 deletions
diff --git a/gcc-4.9/gcc/testsuite/gcc.dg/compare9.c b/gcc-4.9/gcc/testsuite/gcc.dg/compare9.c new file mode 100644 index 000000000..02150cb1f --- /dev/null +++ b/gcc-4.9/gcc/testsuite/gcc.dg/compare9.c @@ -0,0 +1,41 @@ +/* Test for a bogus warning on comparison between signed and unsigned. + This was inspired by code in gcc. This testcase is identical to + compare1.c except that we use -fshort-enums here and do not expect + a warning from case 4. */ + +/* { dg-do compile } */ +/* { dg-options "-fshort-enums -Wsign-compare" } */ + +int tf = 1; + +/* This enumeration has an explicit negative value and is therefore signed. */ +enum mm1 +{ + VOID, SI, DI, MAX = -1 +}; + +/* This enumeration fits entirely in a signed int, but is unsigned anyway. */ +enum mm2 +{ + VOID2, SI2, DI2, MAX2 +}; + +int f(enum mm1 x) +{ + return x == (tf?DI:SI); /* { dg-bogus "signed and unsigned" "case 1" } */ +} + +int g(enum mm1 x) +{ + return x == (tf?DI:-1); /* { dg-bogus "signed and unsigned" "case 2" } */ +} + +int h(enum mm2 x) +{ + return x == (tf?DI2:SI2); /* { dg-bogus "signed and unsigned" "case 3" } */ +} + +int i(enum mm2 x) +{ + return x == (tf?DI2:-1); /* { dg-bogus "signed and unsigned" "case 4" } */ +} |