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-rw-r--r--test/Analysis/max-nodes-suppress-on-sink.cpp34
1 files changed, 34 insertions, 0 deletions
diff --git a/test/Analysis/max-nodes-suppress-on-sink.cpp b/test/Analysis/max-nodes-suppress-on-sink.cpp
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index 0000000000000..814b302789d95
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+++ b/test/Analysis/max-nodes-suppress-on-sink.cpp
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+// RUN: %clang_analyze_cc1 -x c++ -fcxx-exceptions -analyzer-checker=core,unix.Malloc,debug.ExprInspection -analyzer-config max-nodes=12 -verify %s
+
+// Here we test how "suppress on sink" feature of certain bugtypes interacts
+// with reaching analysis limits. See comments in max-nodes-suppress-on-sink.c
+// for more discussion.
+
+typedef __typeof(sizeof(int)) size_t;
+void *malloc(size_t);
+
+void clang_analyzer_warnIfReached(void);
+
+// Because we don't have a better approach, we currently treat throw as
+// noreturn.
+void test_throw_treated_as_noreturn() {
+ void *p = malloc(1); // no-warning
+
+ clang_analyzer_warnIfReached(); // expected-warning{{REACHABLE}}
+ clang_analyzer_warnIfReached(); // no-warning
+
+ throw 0;
+}
+
+// FIXME: Handled throws shouldn't be suppressing us!
+void test_handled_throw_treated_as_noreturn() {
+ void *p = malloc(1); // no-warning
+
+ clang_analyzer_warnIfReached(); // expected-warning{{REACHABLE}}
+ clang_analyzer_warnIfReached(); // no-warning
+
+ try {
+ throw 0;
+ } catch (int i) {
+ }
+}