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.
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@ -2054,7 +2054,7 @@ maybe_warn_rdwr_sizes (rdwr_map *rwm, tree fndecl, tree fntype, tree exp)
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*sizstr = '\0';
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/* Set if a warning has been issued for the current argument. */
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opt_code arg_warned = N_OPTS;
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opt_code arg_warned = no_warning;
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location_t loc = EXPR_LOCATION (exp);
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tree ptr = access.second.ptr;
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if (*sizstr
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@ -2080,7 +2080,7 @@ maybe_warn_rdwr_sizes (rdwr_map *rwm, tree fndecl, tree fntype, tree exp)
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exp, sizidx + 1, sizstr))
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arg_warned = OPT_Wstringop_overflow_;
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if (arg_warned != N_OPTS)
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if (arg_warned != no_warning)
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{
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append_attrname (access, attrstr, sizeof attrstr);
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/* Remember a warning has been issued and avoid warning
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@ -2152,7 +2152,7 @@ maybe_warn_rdwr_sizes (rdwr_map *rwm, tree fndecl, tree fntype, tree exp)
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arg_warned = OPT_Wnonnull;
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}
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if (arg_warned)
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if (arg_warned != no_warning)
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{
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append_attrname (access, attrstr, sizeof attrstr);
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/* Remember a warning has been issued and avoid warning
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@ -0,0 +1,15 @@
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/* PR middle-end/101216 - spurious notes for function calls
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{ dg-do compile }
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{ dg-options "-O2 -w" } */
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__attribute__ ((access (write_only, 1, 2))) char*
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getcwd (char *, __SIZE_TYPE__);
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char* f (void)
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{
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char a[8];
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return getcwd (0, 8);
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}
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/* Expect no messages of any kind on output.
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{ dg-bogus "" "" { target *-*-* } 0 } */
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