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| author | Martin Sebor <msebor@redhat.com> | 2021-06-25 17:01:01 -0600 |
|---|---|---|
| committer | Martin Sebor <msebor@redhat.com> | 2021-06-25 17:01:01 -0600 |
| commit | fd51b344ca86c9673db0161d4a383cccdb2f429c (patch) | |
| tree | 8a197385cb4db4652191ea6da1ddcbd288b68ebb | |
| parent | 4a52cf2eb9d6864ad85674ab56838e0d9ce27926 (diff) | |
| download | gcc-fd51b344ca86c9673db0161d4a383cccdb2f429c.zip gcc-fd51b344ca86c9673db0161d4a383cccdb2f429c.tar.gz gcc-fd51b344ca86c9673db0161d4a383cccdb2f429c.tar.bz2 | |
PR middle-end/101216 - spurious notes for function calls
PR middle-end/101216
gcc/ChangeLog:
* calls.c (maybe_warn_rdwr_sizes): Use the no_warning constant.
gcc/testsuite/ChangeLog:
* gcc.dg/Wnonnull-7.c: New test.
| -rw-r--r-- | gcc/calls.c | 6 | ||||
| -rw-r--r-- | gcc/testsuite/gcc.dg/Wnonnull-7.c | 15 |
2 files changed, 18 insertions, 3 deletions
diff --git a/gcc/calls.c b/gcc/calls.c index 27e8c45..f8a4b79 100644 --- a/gcc/calls.c +++ b/gcc/calls.c @@ -2054,7 +2054,7 @@ maybe_warn_rdwr_sizes (rdwr_map *rwm, tree fndecl, tree fntype, tree exp) *sizstr = '\0'; /* Set if a warning has been issued for the current argument. */ - opt_code arg_warned = N_OPTS; + opt_code arg_warned = no_warning; location_t loc = EXPR_LOCATION (exp); tree ptr = access.second.ptr; if (*sizstr @@ -2080,7 +2080,7 @@ maybe_warn_rdwr_sizes (rdwr_map *rwm, tree fndecl, tree fntype, tree exp) exp, sizidx + 1, sizstr)) arg_warned = OPT_Wstringop_overflow_; - if (arg_warned != N_OPTS) + if (arg_warned != no_warning) { append_attrname (access, attrstr, sizeof attrstr); /* Remember a warning has been issued and avoid warning @@ -2152,7 +2152,7 @@ maybe_warn_rdwr_sizes (rdwr_map *rwm, tree fndecl, tree fntype, tree exp) arg_warned = OPT_Wnonnull; } - if (arg_warned) + if (arg_warned != no_warning) { append_attrname (access, attrstr, sizeof attrstr); /* Remember a warning has been issued and avoid warning diff --git a/gcc/testsuite/gcc.dg/Wnonnull-7.c b/gcc/testsuite/gcc.dg/Wnonnull-7.c new file mode 100644 index 0000000..e7b331a --- /dev/null +++ b/gcc/testsuite/gcc.dg/Wnonnull-7.c @@ -0,0 +1,15 @@ +/* PR middle-end/101216 - spurious notes for function calls + { dg-do compile } + { dg-options "-O2 -w" } */ + +__attribute__ ((access (write_only, 1, 2))) char* +getcwd (char *, __SIZE_TYPE__); + +char* f (void) +{ + char a[8]; + return getcwd (0, 8); +} + +/* Expect no messages of any kind on output. + { dg-bogus "" "" { target *-*-* } 0 } */ |