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| author | Jakub Jelinek <jakub@redhat.com> | 2019-02-14 08:31:14 +0100 |
|---|---|---|
| committer | Jakub Jelinek <jakub@gcc.gnu.org> | 2019-02-14 08:31:14 +0100 |
| commit | 31de5e4d91c8b348dd23ed2042983b9b057c882c (patch) | |
| tree | ae214eb2059a26a913a1f136bc1671adbd415af9 | |
| parent | 0ce1c30b22af976b99a1183213ff070ea206d2c9 (diff) | |
| download | gcc-31de5e4d91c8b348dd23ed2042983b9b057c882c.zip gcc-31de5e4d91c8b348dd23ed2042983b9b057c882c.tar.gz gcc-31de5e4d91c8b348dd23ed2042983b9b057c882c.tar.bz2 | |
re PR middle-end/89284 (gcc -fsanitize=undefined inhibits -Wuninitialized)
PR middle-end/89284
* passes.def: Swap pass_ubsan and pass_early_warn_uninitialized.
* gcc.dg/ubsan/pr89284.c: New test.
From-SVN: r268862
| -rw-r--r-- | gcc/ChangeLog | 5 | ||||
| -rw-r--r-- | gcc/passes.def | 2 | ||||
| -rw-r--r-- | gcc/testsuite/ChangeLog | 5 | ||||
| -rw-r--r-- | gcc/testsuite/gcc.dg/ubsan/pr89284.c | 23 |
4 files changed, 34 insertions, 1 deletions
diff --git a/gcc/ChangeLog b/gcc/ChangeLog index 7672049..b0cea85 100644 --- a/gcc/ChangeLog +++ b/gcc/ChangeLog @@ -1,3 +1,8 @@ +2019-02-14 Jakub Jelinek <jakub@redhat.com> + + PR middle-end/89284 + * passes.def: Swap pass_ubsan and pass_early_warn_uninitialized. + 2019-02-13 Ian Lance Taylor <iant@golang.org> * optc-save-gen.awk: Set var_opt_hash for initial optimizations diff --git a/gcc/passes.def b/gcc/passes.def index e9d9433..446a7c4 100644 --- a/gcc/passes.def +++ b/gcc/passes.def @@ -56,8 +56,8 @@ along with GCC; see the file COPYING3. If not see NEXT_PASS (pass_fixup_cfg); NEXT_PASS (pass_build_ssa); NEXT_PASS (pass_warn_nonnull_compare); - NEXT_PASS (pass_ubsan); NEXT_PASS (pass_early_warn_uninitialized); + NEXT_PASS (pass_ubsan); NEXT_PASS (pass_nothrow); NEXT_PASS (pass_rebuild_cgraph_edges); POP_INSERT_PASSES () diff --git a/gcc/testsuite/ChangeLog b/gcc/testsuite/ChangeLog index 67059b0..c082cdd 100644 --- a/gcc/testsuite/ChangeLog +++ b/gcc/testsuite/ChangeLog @@ -1,3 +1,8 @@ +2019-02-14 Jakub Jelinek <jakub@redhat.com> + + PR middle-end/89284 + * gcc.dg/ubsan/pr89284.c: New test. + 2019-02-13 Ian Lance Taylor <iant@golang.org> * gcc.dg/func-attr-1.c: New test. diff --git a/gcc/testsuite/gcc.dg/ubsan/pr89284.c b/gcc/testsuite/gcc.dg/ubsan/pr89284.c new file mode 100644 index 0000000..0d73e8f --- /dev/null +++ b/gcc/testsuite/gcc.dg/ubsan/pr89284.c @@ -0,0 +1,23 @@ +/* PR middle-end/89284 */ +/* { dg-do compile } */ +/* { dg-options "-fsanitize=undefined -O0 -Wuninitialized" } */ + +struct A { _Bool a; int i; }; + +int +foo (void) +{ + struct A a; + if (a.i) /* { dg-warning "'a.i' is used uninitialized in this function" } */ + return 1; + return 0; +} + +int +bar (void) +{ + struct A a; + if (a.a) /* { dg-warning "'a.a' is used uninitialized in this function" } */ + return 1; + return 0; +} |