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| author | Martin Sebor <msebor@redhat.com> | 2021-03-29 13:52:53 -0600 |
|---|---|---|
| committer | Martin Sebor <msebor@redhat.com> | 2021-03-29 13:52:53 -0600 |
| commit | 77093a75ca4f3a0d6d9ca77ca8905b77695a2599 (patch) | |
| tree | b428a29f209f30ab4e812cb1282a144f392acd05 /gcc | |
| parent | 7b6ca93b2d57ead352cd5cc3e10be4c33dda674b (diff) | |
| download | gcc-77093a75ca4f3a0d6d9ca77ca8905b77695a2599.zip gcc-77093a75ca4f3a0d6d9ca77ca8905b77695a2599.tar.gz gcc-77093a75ca4f3a0d6d9ca77ca8905b77695a2599.tar.bz2 | |
PR tree-optimization/61112 - repeated conditional triggers false positive -Wmaybe-uninitialized
gcc/testsuite/ChangeLog:
PR tree-optimization/61112
* gcc.dg/uninit-pr61112.c: New test.
Diffstat (limited to 'gcc')
| -rw-r--r-- | gcc/testsuite/gcc.dg/uninit-pr61112.c | 89 |
1 files changed, 89 insertions, 0 deletions
diff --git a/gcc/testsuite/gcc.dg/uninit-pr61112.c b/gcc/testsuite/gcc.dg/uninit-pr61112.c new file mode 100644 index 0000000..1dbf756 --- /dev/null +++ b/gcc/testsuite/gcc.dg/uninit-pr61112.c @@ -0,0 +1,89 @@ +/* PR tree-optimization/61112 - repeated conditional triggers false-positive + -Wmaybe-uninitialized warning + { dg-do compile } + { dg-options "-O2 -Wall" } */ + +int p; + +void foo_c0 (int x, int y, int z) +{ + int w; + if (x) + w = z; + if (y) + w = __LINE__; + + if (x || y) + p = w; // { dg-bogus "-Wmaybe-uninitialized" } +} + + +void foo_c5_1_1 (int x, int y, int z, int a) +{ + int w; + if (x) + w = z; + if (y) + w = __LINE__; + if (a) + w = __LINE__; + + if (x || y || a) + p = w; // { dg-bogus "-Wmaybe-uninitialized" "pr61112" { xfail *-*-* } } +} + +void foo_c5_1_2 (int x, int y, int z, int a) +{ + int w; + if (x) + w = z; + if (y) + w = __LINE__; + if (a) + w = __LINE__; + + if (x || a || y) + p = w; // { dg-bogus "-Wmaybe-uninitialized" "pr61112" { xfail *-*-* } } +} + +void foo_c5_1_3 (int x, int y, int z, int a) +{ + int w; + if (x) + w = z; + if (y) + w = __LINE__; + if (a) + w = __LINE__; + + if (a || x || y) + p = w; // { dg-bogus "-Wmaybe-uninitialized" "pr61112" { xfail *-*-* } } +} + +void foo_c5_2 (int x, int y, int z, int a) +{ + int w; + if (x) + w = __LINE__; + if (y) + w = z; + if (a) + w = __LINE__; + + if (x || y || a) + p = w; // { dg-bogus "-Wmaybe-uninitialized" } +} + +void foo_c5_3 (int x, int y, int z, int a) +{ + int w; + if (x) + w = __LINE__; + if (y) + w = __LINE__; + if (a) + w = z; + + if (x || y || a) + p = w; // { dg-bogus "-Wmaybe-uninitialized" } +} |