Give the debugging routine print_pager_stats() external linkage in order to

suppress harmless compiler and TSAN warnings.

FossilOrigin-Name: ff4dc08298ab3988e69fe60802657791f65d2af15f4b1cbd1d02649bc597d0d6

manifest

@@ -1,5 +1,5 @@
-C Improved\sJSON\sparser\scaching.
-D 2018-08-30T01:52:10.764
+C Give\sthe\sdebugging\sroutine\sprint_pager_stats()\sexternal\slinkage\sin\sorder\sto\nsuppress\sharmless\scompiler\sand\sTSAN\swarnings.
+D 2018-08-30T18:53:09.671
 F .fossil-settings/empty-dirs dbb81e8fc0401ac46a1491ab34a7f2c7c0452f2f06b54ebb845d024ca8283ef1
 F .fossil-settings/ignore-glob 35175cdfcf539b2318cb04a9901442804be81cd677d8b889fcc9149c21f239ea
 F Makefile.in d06f463c5b623a61ac27f5cb8214fca9e53a6704d34d6b8f2124e2b1b293c88f
@@ -487,7 +487,7 @@ F src/os_setup.h 0dbaea40a7d36bf311613d31342e0b99e2536586
 F src/os_unix.c d6ee0c3b3f221dd5f3cec95f0400a581c516d04ea16a2916bba17c55127d8e06
 F src/os_win.c 070cdbb400097c6cda54aa005356095afdc2f3ee691d17192c54724ef146a971
 F src/os_win.h 7b073010f1451abe501be30d12f6bc599824944a
-F src/pager.c 705de01dff9c3df9739c37a6d3b58cd2b1734fdabcef829b16cdc7721a9eeaa4
+F src/pager.c a0d8f686ef64549ad5b356fd30429bd9ee7a06dd42b4d6faa096352ff26b1c5b
 F src/pager.h ecc554a55bc55d1c4ba5e17137b72e238e00bd81e72ff2662d8b9c8c10ae3963
 F src/parse.y 704c94624d41d7d46a5467574130e55aa8029a563f4df538f0121475eae46e34
 F src/pcache.c 135ef0bc6fb2e3b7178d49ab5c9176254c8a691832c1bceb1156b2fbdd0869bd
@@ -1758,7 +1758,7 @@ F vsixtest/vsixtest.tcl 6a9a6ab600c25a91a7acc6293828957a386a8a93
 F vsixtest/vsixtest.vcxproj.data 2ed517e100c66dc455b492e1a33350c1b20fbcdc
 F vsixtest/vsixtest.vcxproj.filters 37e51ffedcdb064aad6ff33b6148725226cd608e
 F vsixtest/vsixtest_TemporaryKey.pfx e5b1b036facdb453873e7084e1cae9102ccc67a0
-P 19b5eb45e090c4b7169a52d881495ee2eafc59f80e3db2288fc1814ba76134ac
-R 6879c3448f3a21f21360b0e010f06ec5
+P 58078c0d2647a194279fa80e032670441b296ffc3acee692901faa5beca460b7
+R a4b705470a4ec2c924173c8c942f70f9
 U drh
-Z c5fe49b6610cf864d1fad4e0e99d3945
+Z 1e426c4805f3914010cc98a58db34e64

manifest.uuid

@@ -1 +1 @@
-58078c0d2647a194279fa80e032670441b296ffc3acee692901faa5beca460b7
+ff4dc08298ab3988e69fe60802657791f65d2af15f4b1cbd1d02649bc597d0d6

src/pager.c

@@ -997,8 +997,12 @@ static int assert_pager_state(Pager *p){
 ** to "print *pPager" in gdb:
 **
 ** (gdb) printf "%s", print_pager_state(pPager)
+**
+** This routine has external linkage in order to suppress compiler warnings
+** about an unused function.  It is enclosed within SQLITE_DEBUG and so does
+** not appear in normal builds.
 */
-static char *print_pager_state(Pager *p){
+char *print_pager_state(Pager *p){
   static char zRet[1024];
 
   sqlite3_snprintf(1024, zRet,
@@ -7278,13 +7282,6 @@ int sqlite3PagerLockingMode(Pager *pPager, int eMode){
 int sqlite3PagerSetJournalMode(Pager *pPager, int eMode){
   u8 eOld = pPager->journalMode;    /* Prior journalmode */
 
-#ifdef SQLITE_DEBUG
-  /* The print_pager_state() routine is intended to be used by the debugger
-  ** only.  We invoke it once here to suppress a compiler warning. */
-  print_pager_state(pPager);
-#endif
-
-
   /* The eMode parameter is always valid */
   assert(      eMode==PAGER_JOURNALMODE_DELETE
             || eMode==PAGER_JOURNALMODE_TRUNCATE