Tweaks to the func4.test test module (which tests the rarely used totype.c

extension) so that it works on i586 compiled using gcc-13 with -O0.  Details
at [forum:/forumpost/0a7553b0f734c033|forum post 0a7553b0f734c033].

FossilOrigin-Name: d0fbe779bc2460e120da4f39063a9f4121c700f0b86d85f4311715b1366c3515

manifest

@@ -1,5 +1,5 @@
-C JS:\sremove\san\sunused\sfunction\sargument\sand\ssome\sdebug-related\scomments.\sNo\sfunctional\schanges.
-D 2024-03-14T13:18:19.313
+C Tweaks\sto\sthe\sfunc4.test\stest\smodule\s(which\stests\sthe\srarely\sused\stotype.c\nextension)\sso\sthat\sit\sworks\son\si586\scompiled\susing\sgcc-13\swith\s-O0.\s\sDetails\nat\s[forum:/forumpost/0a7553b0f734c033|forum\spost\s0a7553b0f734c033].
+D 2024-03-15T13:16:13.460
 F .fossil-settings/empty-dirs dbb81e8fc0401ac46a1491ab34a7f2c7c0452f2f06b54ebb845d024ca8283ef1
 F .fossil-settings/ignore-glob 35175cdfcf539b2318cb04a9901442804be81cd677d8b889fcc9149c21f239ea
 F LICENSE.md df5091916dbb40e6e9686186587125e1b2ff51f022cc334e886c19a0e9982724
@@ -1231,7 +1231,7 @@ F test/full.test 6b3c8fb43c6beab6b95438c1675374b95fab245d
 F test/func.test 504d202650c7940b5aa98364dd68f242df87f39f829e51074a55d79fc7bc7414
 F test/func2.test 772d66227e4e6684b86053302e2d74a2500e1e0f
 F test/func3.test 600a632c305a88f3946d38f9a51efe145c989b2e13bd2b2a488db47fe76bab6a
-F test/func4.test e8ef9b2bd6a192a213cbd5cf31a3b35e25cd6ff2fdaeea0b58d63be31b03d220
+F test/func4.test a3f9062487dbd826776f54f4e0e9517fe8c3cf689af92735308965774d51fac5
 F test/func5.test 863e6d1bd0013d09c17236f8a13ea34008dd857d87d85a13a673960e4c25d82a
 F test/func6.test 9cc9b1f43b435af34fe1416eb1e318c8920448ea7a6962f2121972f5215cb9b0
 F test/func7.test adbfc910385a6ffd15dc47be3c619ef070c542fcb7488964badb17b2d9a4d080
@@ -2177,8 +2177,8 @@ F vsixtest/vsixtest.tcl 6a9a6ab600c25a91a7acc6293828957a386a8a93
 F vsixtest/vsixtest.vcxproj.data 2ed517e100c66dc455b492e1a33350c1b20fbcdc
 F vsixtest/vsixtest.vcxproj.filters 37e51ffedcdb064aad6ff33b6148725226cd608e
 F vsixtest/vsixtest_TemporaryKey.pfx e5b1b036facdb453873e7084e1cae9102ccc67a0
-P 9349d94e05dcf266b02afcd89f1e433cdc45f23e8536b2f3f9aa242d5d89c307
-R e2c267441183e97923991728d71c55b9
-U stephan
-Z f0980170118e0dee3925f721da1aaab7
+P f15709430d4ba2fcf5729bc30a45dacb77102927b82cda12de0b67935b526cc0
+R 5b57f46c94d279354a994dbd1c18ea0b
+U drh
+Z ac2ce8f2de4e984fc417325734d61778
 # Remove this line to create a well-formed Fossil manifest.

manifest.uuid

@@ -1 +1 @@
-f15709430d4ba2fcf5729bc30a45dacb77102927b82cda12de0b67935b526cc0
+d0fbe779bc2460e120da4f39063a9f4121c700f0b86d85f4311715b1366c3515

test/func4.test

@@ -1,4 +1,4 @@
-# 2013 March 10
+# 2023-03-10
 #
 # The author disclaims copyright to this source code.  In place of
 # a legal notice, here is a blessing:
@@ -9,7 +9,10 @@
 #
 #***********************************************************************
 # This file implements regression tests for SQLite library. The focus of
-# this file is testing the tointeger() and toreal() functions.
+# this file is testing the tointeger() and toreal() functions that are
+# part of the "totype.c" extension.  This file does not test the core
+# SQLite library.  Failures of tests in this file are related to the
+# ext/misc/totype.c extension.
 #
 # Several of the toreal() tests are disabled on platforms where floating
 # point precision is not high enough to represent their constant integer
@@ -23,6 +26,20 @@ load_static_extension db totype
 
 set highPrecision(1) [expr \
     {[db eval {SELECT tointeger(9223372036854775807 + 1);}] eq {{}}}]
+set highPrecision(2) [expr \
+    {[db eval {SELECT toreal(-9223372036854775808 + 1);}] eq {{}}}]
+
+# highPrecision(3) is only known to be false on i586 with gcc-13 and -O2.
+# It is true on the exact same platform with -O0.  Both results seem
+# reasonable, so we'll just very the expectation accordingly.
+#
+set highPrecision(3) [expr \
+    {[db eval {SELECT toreal(9007199254740992 + 1);}] eq {{}}}]
+
+if {!$highPrecision(1) || !$highPrecision(2) || !$highPrecision(3)} {
+  puts "NOTICE: use_long_double: [use_long_double] \
+        highPrecision: $highPrecision(1) $highPrecision(2) $highPrecision(3)"
+}
 
 do_execsql_test func4-1.1 {
   SELECT tointeger(NULL);
@@ -195,8 +212,6 @@ do_execsql_test func4-1.55 {
 } {{}}
 
 ifcapable floatingpoint {
-  set highPrecision(2) [expr \
-      {[db eval {SELECT toreal(-9223372036854775808 + 1);}] eq {{}}}]
 
   do_execsql_test func4-2.1 {
     SELECT toreal(NULL);
@@ -341,10 +356,14 @@ ifcapable floatingpoint {
   do_execsql_test func4-2.45 {
     SELECT toreal(9007199254740992);
   } {9007199254740992.0}
-  if {$highPrecision(2)} {
+  if {$highPrecision(3)} {
     do_execsql_test func4-2.46 {
       SELECT toreal(9007199254740992 + 1);
     } {{}}
+  } else {
+    do_execsql_test func4-2.46 {
+      SELECT toreal(9007199254740992 + 1);
+    } {9007199254740992.0}
   }
   do_execsql_test func4-2.47 {
     SELECT toreal(9007199254740992 + 2);
@@ -626,10 +645,14 @@ ifcapable floatingpoint {
   do_execsql_test func4-5.22 {
     SELECT tointeger(toreal(9007199254740992));
   } {9007199254740992}
-  if {$highPrecision(2)} {
+  if {$highPrecision(3)} {
     do_execsql_test func4-5.23 {
       SELECT tointeger(toreal(9007199254740992 + 1));
     } {{}}
+  } else {
+    do_execsql_test func4-5.23 {
+      SELECT tointeger(toreal(9007199254740992 + 1));
+    } {9007199254740992}
   }
   do_execsql_test func4-5.24 {
     SELECT tointeger(toreal(9007199254740992 + 2));