derek.holloway
7502bf64a4
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23 lines
742 B
C
23 lines
742 B
C
// RUN: %clang_tysan -O0 %s -o %t && %run %t >%t.out 2>&1
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// RUN: FileCheck --check-prefixes=CHECK,CHECK-SHORT %s < %t.out
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// RUN: %env_tysan_opts=print_stacktrace=1 %run %t >%t.out 2>&1
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// RUN: FileCheck --check-prefixes=CHECK,CHECK-LONG %s < %t.out
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float *P;
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void zero_array() {
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int i;
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for (i = 0; i < 1; ++i)
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P[i] = 0.0f;
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// CHECK: ERROR: TypeSanitizer: type-aliasing-violation
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// CHECK: WRITE of size 4 at {{.*}} with type float accesses an existing object of type p1 float
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// CHECK: {{#0 0x.* in zero_array .*print_stacktrace.c:}}[[@LINE-3]]
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// CHECK-SHORT-NOT: {{#1 0x.* in main .*print_stacktrace.c}}
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// CHECK-LONG-NEXT: {{#1 0x.* in main .*print_stacktrace.c}}
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}
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int main() {
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P = (float *)&P;
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zero_array();
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}
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