diff mbox series

[committed] analyzer: add test coverage for PR 95000

Message ID 20220315215917.3955025-1-dmalcolm@redhat.com
State New
Headers show
Series [committed] analyzer: add test coverage for PR 95000 | expand

Commit Message

David Malcolm March 15, 2022, 9:59 p.m. UTC 
PR analyzer/95000 isn't fixed yet; add test coverage with XFAILs.

Successfully regrtested on x86_64-pc-linux-gnu.
Pushed to trunk as r12-7659-gd1d95846e3c901.

gcc/testsuite/ChangeLog:
	PR analyzer/95000
	* gcc.dg/analyzer/pr95000-1.c: New test.

Signed-off-by: David Malcolm <dmalcolm@redhat.com>
---
 gcc/testsuite/gcc.dg/analyzer/pr95000-1.c | 38 +++++++++++++++++++++++
 1 file changed, 38 insertions(+)
 create mode 100644 gcc/testsuite/gcc.dg/analyzer/pr95000-1.c
diff mbox series

Patch

diff --git a/gcc/testsuite/gcc.dg/analyzer/pr95000-1.c b/gcc/testsuite/gcc.dg/analyzer/pr95000-1.c
new file mode 100644
index 00000000000..bb23ab7488e
--- /dev/null
+++ b/gcc/testsuite/gcc.dg/analyzer/pr95000-1.c
@@ -0,0 +1,38 @@ 
+#include "analyzer-decls.h"
+
+void test_1 (char* x)
+{
+  char* y=0;
+  switch (*x) {
+  case 'a': /* { dg-message "to here" } */
+    y="foo";
+  case 'b':
+    if (*x=='a') *y='b'; /* { dg-bogus "dereference of NULL 'y'" "deref of null (PR analyzer/95000)" { xfail *-*-* } } */
+    /* { dg-warning "write to string literal" "write to string literal" { target *-*-* } .-1 } */
+  }
+}
+
+void test_switch_char(char x) {
+  switch (x) {
+  case 'b':
+    __analyzer_eval (x == 'b'); /* { dg-warning "TRUE" "expected" { xfail *-*-* } } */
+    /* { dg-bogus "UNKNOWN" "status quo (PR analyzer/95000)" { xfail *-*-* } .-1 } */
+  }
+}
+
+void test_switch_int(int x) {
+  switch (x) {
+  case 97:
+    __analyzer_eval (x == 97); /* { dg-warning "TRUE" } */
+  }
+}
+
+void test_if_char(char x) {
+  if (x == 'b')
+    __analyzer_eval (x == 'b'); /* { dg-warning "TRUE" } */
+}
+
+void test_if_int(int x) {
+  if (x == 97)
+    __analyzer_eval (x == 97); /* { dg-warning "TRUE" } */
+}