profile and coverage builds need different optimization flags (mostly for talkback)

r=dprice

config/WIN32

@@ -68,23 +68,27 @@ OS_LFLAGS=/DEBUG /DEBUGTYPE:CV /PDB:$(PDBFILE)
 
 !else
 
+# Initialize to non-profile, non-coverage optimization
+OPTIMIZER=-O1 -UDEBUG -DNDEBUG
+OS_LFLAGS=/OPT:nowin98
+
 # if MOZ_DEBUG is not set and MOZ_PROFILE is set, then we generate
 # an optimized build with debugging symbols. Useful for debugging
 # compiler optimization bugs, as well as running with Quantify.
 
-!if defined(MOZ_COVERAGE) || defined (MOZ_PROFILE)
-OS_LFLAGS=/DEBUG /DEBUGTYPE:CV /PDB:$(PDBFILE) /OPT:REF /OPT:nowin98
+!if defined (MOZ_PROFILE)
+OS_LFLAGS=/DEBUG /DEBUGTYPE:CV /PDB:NONE /OPT:REF /OPT:nowin98
 OPTIMIZER=-Zi -O1 -UDEBUG -DNDEBUG
-!else
-
-# MOZ_PROFILE not set.
-# optimize it, no symbols
-#
-OPTIMIZER=-O1 -UDEBUG -DNDEBUG
-OS_LFLAGS=/OPT:nowin98
 !endif
 # MOZ_PROFILE
 
+# if MOZ_COVERAGE is set, we handle pdb files slightly differently
+!if defined(MOZ_COVERAGE) 
+OS_LFLAGS=/DEBUG /DEBUGTYPE:CV /PDB:$(PDBFILE) /OPT:REF /OPT:nowin98
+OPTIMIZER=-Zi -O1 -UDEBUG -DNDEBUG
+!endif
+# MOZ_COVERAGE
+
 !endif
 # MOZ_DEBUG