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16 lines
490 B
16 lines
490 B
4 months ago
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// RUN: %clangxx -fsanitize=returns-nonnull-attribute %s -O3 -o %t
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// RUN: %run %t foo
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// RUN: %run %t 2>&1 | FileCheck %s
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__attribute__((returns_nonnull)) char *foo(char *a);
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char *foo(char *a) {
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return a;
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// CHECK: nonnull.cpp:[[@LINE+2]]:1: runtime error: null pointer returned from function declared to never return null
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// CHECK-NEXT: nonnull.cpp:[[@LINE-5]]:16: note: returns_nonnull attribute specified here
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}
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int main(int argc, char **argv) {
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return foo(argv[1]) == 0;
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}
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