I updated FPC and lazarus (both trunk, but the FPC is from yesterday) on win32, and building lazarus (using existing lazbuild) returns:
1010) Writing Resource String Table file: dbgintfcommonstrings.rsj
c:\repo\lazarus\components\debuggerintf\dbgintfdebuggerbase.pp(592,22) Error: (5042) No matching implementation for interface method "SetMonitor(IDbgWatchesMonitorIntf);" found
c:\repo\lazarus\components\debuggerintf\dbgintfdebuggerbase.pp(614,21) Error: (5042) No matching implementation for interface method "SetMonitor(IDbgLocalsMonitorIntf);" found
c:\repo\lazarus\components\debuggerintf\dbgintfdebuggerbase.pp(1852,1) Fatal: (10026) There were 2 errors compiling module, stopping
Fatal: (1018) Compilation aborted
Error: c:\pp32\bin\i386-win32\ppc386.exe returned an error exitcode
Hint: (11030) Start of reading config file c:\pp32\bin\i386-win32\fpc.cfg