[patch] The patch which is working for this bug

Silence_-Winfinite-recursion_warning_in_luaD_throw.patch (text/plain), 2.21 KB, created by Furude Rika on 2022-06-30 00:09:21 UTC

diff --git a/config/always-compiler-options.m4 b/config/always-compiler-options.m4
index ce84f7e..0913916 100644
--- a/config/always-compiler-options.m4
+++ b/config/always-compiler-options.m4
@@ -184,6 +184,26 @@ AC_DEFUN([ZFS_AC_CONFIG_ALWAYS_CC_IMPLICIT_FALLTHROUGH], [
 	AC_SUBST([IMPLICIT_FALLTHROUGH])
 ])
 
+dnl #
+dnl # Check if cc supports -Winfinite-recursion option.
+dnl #
+AC_DEFUN([ZFS_AC_CONFIG_ALWAYS_CC_INFINITE_RECURSION], [
+	AC_MSG_CHECKING([whether $CC supports -Winfinite-recursion])
+	saved_flags="$CFLAGS"
+	CFLAGS="$CFLAGS -Werror -Winfinite-recursion"
+	AC_COMPILE_IFELSE([AC_LANG_PROGRAM([], [])], [
+		INFINITE_RECURSION=-Winfinite-recursion
+		AC_DEFINE([HAVE_INFINITE_RECURSION], 1,
+			[Define if compiler supports -Winfinite-recursion])
+		AC_MSG_RESULT([yes])
+	], [
+		INFINITE_RECURSION=
+		AC_MSG_RESULT([no])
+	])
+	CFLAGS="$saved_flags"
+	AC_SUBST([INFINITE_RECURSION])
+])
+
 dnl #
 dnl # Check if gcc supports -fno-omit-frame-pointer option.
 dnl #
diff --git a/config/zfs-build.m4 b/config/zfs-build.m4
index c60eb01..0f4775b 100644
--- a/config/zfs-build.m4
+++ b/config/zfs-build.m4
@@ -209,6 +209,7 @@ AC_DEFUN([ZFS_AC_CONFIG_ALWAYS], [
 	AX_COUNT_CPUS([])
 	AC_SUBST(CPU_COUNT)
 
+	ZFS_AC_CONFIG_ALWAYS_CC_INFINITE_RECURSION
 	ZFS_AC_CONFIG_ALWAYS_CC_NO_UNUSED_BUT_SET_VARIABLE
 	ZFS_AC_CONFIG_ALWAYS_CC_NO_BOOL_COMPARE
 	ZFS_AC_CONFIG_ALWAYS_CC_IMPLICIT_FALLTHROUGH
diff --git a/module/lua/ldo.c b/module/lua/ldo.c
index f3c3dcb..edae33f 100644
--- a/module/lua/ldo.c
+++ b/module/lua/ldo.c
@@ -168,6 +168,13 @@ static void seterrorobj (lua_State *L, int errcode, StkId oldtop) {
   L->top = oldtop + 1;
 }
 
+/*
+ * Silence infinite recursion warning which was added to -Wall in gcc 12.1
+ */
+#if defined(HAVE_INFINITE_RECURSION)
+#pragma GCC diagnostic push
+#pragma GCC diagnostic ignored "-Winfinite-recursion"
+#endif
 
 l_noret luaD_throw (lua_State *L, int errcode) {
   if (L->errorJmp) {  /* thread has an error handler? */
@@ -191,6 +198,10 @@ l_noret luaD_throw (lua_State *L, int errcode) {
 }
 
 
+#if defined(HAVE_INFINITE_RECURSION)
+#pragma GCC diagnostic pop
+#endif
+
 int luaD_rawrunprotected (lua_State *L, Pfunc f, void *ud) {
   unsigned short oldnCcalls = L->nCcalls;
   struct lua_longjmp lj;