32 lines
781 B
Diff
32 lines
781 B
Diff
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2013-02-12 Dodji Seketeli <dodji@redhat.com>
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* asan.c (instrument_builtin_call): Really put the length of the
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second source argument into src1_len.
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* c-c++-common/asan/memcmp-2.c: New test.
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--- gcc/asan.c
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+++ gcc/asan.c
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@@ -1764,7 +1764,7 @@ instrument_builtin_call (gimple_stmt_iterator *iter)
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if (get_mem_refs_of_builtin_call (call,
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&src0, &src0_len, &src0_is_store,
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- &src1, &src0_len, &src1_is_store,
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+ &src1, &src1_len, &src1_is_store,
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&dest, &dest_len, &dest_is_store,
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&dest_is_deref))
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{
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--- gcc/testsuite/c-c++-common/asan/memcmp-2.c
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+++ gcc/testsuite/c-c++-common/asan/memcmp-2.c
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@@ -0,0 +1,10 @@
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+/* { dg-do compile } */
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+
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+int
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+foo ()
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+{
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+ char s0[5] = {0};
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+ char s1[5] = {1};
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+
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+ return __builtin_memcmp (s0, s1, 2);
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+}
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