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53 lines
1.3 KiB
Diff
53 lines
1.3 KiB
Diff
2012-12-12 Jakub Jelinek <jakub@redhat.com>
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PR gcov-profile/55650
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* coverage.c (coverage_obj_init): Return false if no functions
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are being emitted.
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* g++.dg/other/pr55650.C: New test.
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* g++.dg/other/pr55650.cc: New file.
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--- gcc/coverage.c.jj 2012-11-19 14:41:24.000000000 +0100
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+++ gcc/coverage.c 2012-12-12 08:54:35.005180211 +0100
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@@ -999,6 +999,9 @@ coverage_obj_init (void)
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/* The function is not being emitted, remove from list. */
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*fn_prev = fn->next;
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+ if (functions_head == NULL)
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+ return false;
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+
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for (ix = 0; ix != GCOV_COUNTERS; ix++)
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if ((1u << ix) & prg_ctr_mask)
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n_counters++;
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--- gcc/testsuite/g++.dg/other/pr55650.C.jj 2012-12-12 09:03:53.342876593 +0100
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+++ gcc/testsuite/g++.dg/other/pr55650.C 2012-12-12 09:03:11.000000000 +0100
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@@ -0,0 +1,21 @@
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+// PR gcov-profile/55650
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+// { dg-do link }
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+// { dg-options "-O2 -fprofile-generate" }
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+// { dg-additional-sources "pr55650.cc" }
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+
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+struct A
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+{
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+ virtual void foo ();
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+};
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+
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+struct B : public A
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+{
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+ B ();
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+ void foo () {}
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+};
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+
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+inline A *
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+bar ()
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+{
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+ return new B;
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+}
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--- gcc/testsuite/g++.dg/other/pr55650.cc.jj 2012-12-12 09:03:56.329858741 +0100
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+++ gcc/testsuite/g++.dg/other/pr55650.cc 2012-12-12 09:03:48.982900718 +0100
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@@ -0,0 +1,4 @@
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+int
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+main ()
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+{
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+}
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