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| author | Xinliang David Li <davidxl@google.com> | 2011-04-26 16:06:09 +0000 |
|---|---|---|
| committer | Xinliang David Li <davidxl@gcc.gnu.org> | 2011-04-26 16:06:09 +0000 |
| commit | 2f964ad6d4ec69a76954d90c273db385c807940f (patch) | |
| tree | b94bed7986e2724eb7508e1ebf3f157968133e57 /gcc/testsuite | |
| parent | 86262bb186922557dba15c5fa21785837f4006cd (diff) | |
| download | gcc-2f964ad6d4ec69a76954d90c273db385c807940f.zip gcc-2f964ad6d4ec69a76954d90c273db385c807940f.tar.gz gcc-2f964ad6d4ec69a76954d90c273db385c807940f.tar.bz2 | |
Implement -Wno-maybe-uninitialized
From-SVN: r172978
Diffstat (limited to 'gcc/testsuite')
| -rw-r--r-- | gcc/testsuite/ChangeLog | 5 | ||||
| -rw-r--r-- | gcc/testsuite/gcc.dg/uninit-suppress.c | 16 | ||||
| -rw-r--r-- | gcc/testsuite/gcc.dg/uninit-suppress_2.c | 16 |
3 files changed, 37 insertions, 0 deletions
diff --git a/gcc/testsuite/ChangeLog b/gcc/testsuite/ChangeLog index 3630dce..8b00f7a 100644 --- a/gcc/testsuite/ChangeLog +++ b/gcc/testsuite/ChangeLog @@ -1,3 +1,8 @@ +2011-04-26 Xinliang David Li <davidxl@google.com> + + * gcc.dg/uninit-suppress.c: New test. + * gcc.dg/uninit-suppress.c: New test. + 2011-04-26 Jakub Jelinek <jakub@redhat.com> PR debug/48768 diff --git a/gcc/testsuite/gcc.dg/uninit-suppress.c b/gcc/testsuite/gcc.dg/uninit-suppress.c new file mode 100644 index 0000000..64038a3 --- /dev/null +++ b/gcc/testsuite/gcc.dg/uninit-suppress.c @@ -0,0 +1,16 @@ +/* { dg-do compile } */ +/* { dg-options "-fno-tree-ccp -O2 -Wuninitialized -Wno-maybe-uninitialized" } */ +void blah(); +int gflag; + +void foo() +{ + int v; + if (gflag) + v = 10; + + blah(); /* *gflag may be killed, but compiler won't know */ + + if (gflag) + bar(v); /* { dg-bogus "uninitialized" "should be suppressed" } */ +} diff --git a/gcc/testsuite/gcc.dg/uninit-suppress_2.c b/gcc/testsuite/gcc.dg/uninit-suppress_2.c new file mode 100644 index 0000000..a48b182 --- /dev/null +++ b/gcc/testsuite/gcc.dg/uninit-suppress_2.c @@ -0,0 +1,16 @@ +/* { dg-do compile } */ +/* { dg-options "-fno-tree-ccp -O2 -Wuninitialized -Werror=uninitialized -Wno-error=maybe-uninitialized" } */ +void blah(); +int gflag; + +void foo() +{ + int v; + if (gflag) + v = 10; + + blah(); /* *gflag may be killed, but compiler won't know */ + + if (gflag) + bar(v); /* { dg-warning "uninitialized" "should not be promoted to error" } */ +} |