A few Qs on the -Wfoo options

[ballsystemlord]

-Wreal-q-constant   What's a 'q' exponent-letter?

-Wline-truncation    What is truncation of source lines?
-Winvalid-offsetof   What/how do you offset of macro and how does this
affect anything?
-Wsurprising           Could you explain what "suspicious" constructs
are/look like? What's the criteria?

-Wfunction-elimination  shouldn't it be noticeable when I am making a
useless function call?

-Wimplicit-interface         What's an implicit-interface?
-Wimplicit-procedure        What's a procedures?
-Winvalid-memory-model    atomic memory model?
-Warray-temporariesarray   What temporaries?
-Wcharacter-truncation     How can a character expression get truncated?
-Wcast-align                   Why's that a problem?

-Wcoverage-mismatch note this may result in poorly optimized code. Why
poorly??

-Wlogical-op   Why would it give false positives? What's the criteria under
which it
makes these assumptions?


-Wmudflap  mudflap?


-Wsuggest-attribute=[pure|const|noreturn]
const? pure? noreturn? How can functions be of this type?


-Wstack-protector how can a function get smashed?





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