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| author | Manuel López-Ibáñez <manu@gcc.gnu.org> | 2008-01-22 14:19:01 +0000 |
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| committer | Manuel López-Ibáñez <manu@gcc.gnu.org> | 2008-01-22 14:19:01 +0000 |
| commit | 573fe0a122594bf28337f9d2d99c8005f1113940 (patch) | |
| tree | ed1e99ee00340e8745c29bc016ce422c6c2a0c7c /gcc | |
| parent | 230a3572429c6a844a774ff816b63b049c0e739c (diff) | |
| download | gcc-573fe0a122594bf28337f9d2d99c8005f1113940.zip gcc-573fe0a122594bf28337f9d2d99c8005f1113940.tar.gz gcc-573fe0a122594bf28337f9d2d99c8005f1113940.tar.bz2 | |
Missed testcases in earlier commit.
2008-01-22 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
PR 32102
testsuite/
* gcc.dg/Wstrict-overflow-21.c: New.
* g++.dg/warn/Wstrict-aliasing-8.C: New.
From-SVN: r131722
Diffstat (limited to 'gcc')
| -rw-r--r-- | gcc/testsuite/g++.dg/warn/Wstrict-aliasing-8.C | 20 | ||||
| -rw-r--r-- | gcc/testsuite/gcc.dg/Wstrict-overflow-21.c | 12 |
2 files changed, 32 insertions, 0 deletions
diff --git a/gcc/testsuite/g++.dg/warn/Wstrict-aliasing-8.C b/gcc/testsuite/g++.dg/warn/Wstrict-aliasing-8.C new file mode 100644 index 0000000..497565e --- /dev/null +++ b/gcc/testsuite/g++.dg/warn/Wstrict-aliasing-8.C @@ -0,0 +1,20 @@ +/* { dg-do compile } */ +/* { dg-options "-Wstrict-aliasing=2 -O2 -Wall" } */ + +int a[2]; + +double *foo1(void) +{ + return (double *)a; /* { dg-warning "strict-aliasing" } */ +} + +double *foo2(void) +{ + return (double *)&a[0]; /* { dg-warning "strict-aliasing" } */ +} + +__complex__ double x; +int *bar(void) +{ + return (int *)&__imag__ x; /* { dg-warning "strict-aliasing" } */ +} diff --git a/gcc/testsuite/gcc.dg/Wstrict-overflow-21.c b/gcc/testsuite/gcc.dg/Wstrict-overflow-21.c new file mode 100644 index 0000000..57e9465 --- /dev/null +++ b/gcc/testsuite/gcc.dg/Wstrict-overflow-21.c @@ -0,0 +1,12 @@ +/* PR 32102: -Wall stomps on -Wstrict-overflow */ +/* { dg-do compile } */ +/* { dg-options "-fstrict-overflow -O2 -Wstrict-overflow=2 -Wall" } */ +int +foo () +{ + int i, bits; + for (i = 1, bits = 1; i > 0; i += i) /* { dg-warning "assuming signed overflow does not occur" "correct warning" } */ + ++bits; + return bits; +} + |