[Python-checkins] gh-104051: fix crash in test_xxtestfuzz with -We (#104052)

[iritkatriel]

https://github.com/python/cpython/commit/81fc135f263e9ec5df3d967290b9665d7e100c7f
commit: 81fc135f263e9ec5df3d967290b9665d7e100c7f
branch: main
author: Irit Katriel <1055913+iritkatriel at users.noreply.github.com>
committer: iritkatriel <1055913+iritkatriel at users.noreply.github.com>
date: 2023-05-05T11:34:13+01:00
summary:

gh-104051: fix crash in test_xxtestfuzz with -We (#104052)

files:
M Modules/_xxtestfuzz/fuzzer.c

diff --git a/Modules/_xxtestfuzz/fuzzer.c b/Modules/_xxtestfuzz/fuzzer.c
index fb0c191d2c49..37d402824853 100644
--- a/Modules/_xxtestfuzz/fuzzer.c
+++ b/Modules/_xxtestfuzz/fuzzer.c
@@ -526,13 +526,20 @@ int LLVMFuzzerTestOneInput(const uint8_t *data, size_t size) {
 #if !defined(_Py_FUZZ_ONE) || defined(_Py_FUZZ_fuzz_sre_compile)
     static int SRE_COMPILE_INITIALIZED = 0;
     if (!SRE_COMPILE_INITIALIZED && !init_sre_compile()) {
-        PyErr_Print();
-        abort();
+        if (!PyErr_ExceptionMatches(PyExc_DeprecationWarning)) {
+            PyErr_Print();
+            abort();
+        }
+        else {
+            PyErr_Clear();
+        }
     } else {
         SRE_COMPILE_INITIALIZED = 1;
     }
 
-    rv |= _run_fuzz(data, size, fuzz_sre_compile);
+    if (SRE_COMPILE_INITIALIZED) {
+        rv |= _run_fuzz(data, size, fuzz_sre_compile);
+    }
 #endif
 #if !defined(_Py_FUZZ_ONE) || defined(_Py_FUZZ_fuzz_sre_match)
     static int SRE_MATCH_INITIALIZED = 0;