[STDCXX-831] [HP aCC 6.16] warnings compiling fmtflags_manip.cpp example

• Type: Bug
• Status: Closed
• Priority: Minor
• Resolution: Fixed
• Affects Version/s: 4.2.0
• Fix Version/s: 4.2.1
• Component/s: Examples

Environment

aCC: HP C/aC++ B3910B A.06.16 [Nov 26 2007]

• Severity: Compiler Warning
• Assignee: Martin Sebor
• Reporter: Martin Sebor
• Created: 07/Apr/08 19:46
• Updated: 25/Apr/08 05:03
• Resolved: 07/Apr/08 21:36

Description

When compiled with HP aCC 6.16 the example program fmtflags_manip.cpp produces the following warnings:

aCC -c    -mt -I$(TOPDIR)/include -I$(BUILDDIR)/include -I$(TOPDIR)/examples/include  -AA  +O2  +DD64 +w +W392,655,684,818,819,849 +W2193,2236,2261,2340,2401,2487 +W4227,4229,4231,4235,4237,4249 +W4255,4272,4284,4285,4286,4296,4297 +W3348   $(TOPDIR)/examples/manual/fmtflags_manip.cpp
"$(TOPDIR)/examples/manual/fmtflags_manip.cpp", line 53: warning #4257-D: enumeration value is out of declared range, behavior is unspecified
          if (flags != std::ios_base::fmtflags (-1))
                       ^

"$(TOPDIR)/examples/manual/fmtflags_manip.cpp", line 53: warning #2514-D: pointless comparison of unsigned integer with a negative constant
          if (flags != std::ios_base::fmtflags (-1))
                    ^

"$(TOPDIR)/examples/manual/fmtflags_manip.cpp", line 53: warning #4275-D: constant out of range ([1 - 262144]) for the operator
          if (flags != std::ios_base::fmtflags (-1))
                    ^