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https://issues.apache.org/jira/browse/STDCXX-695?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12592228#action_12592228
]
Martin Sebor commented on STDCXX-695:
-------------------------------------
Even though all the subtasks have been resolved we're still not done. We forgot
about 32-bit builds... As the dump below shows, we have two noisy remarks to
worry about there:
{noformat}
$ for r in `sed -n "s/.*: remark #\([1-9][0-9]*\)-.*/\1/p"
hpux-11.31-ia64-acc-6.16-12d-650697.log | sort | uniq`; do \
n=`grep ": remark #$r-D" hpux-11.31-ia64-acc-6.16-12d-650697.log | wc
-l`; \
printf "remark #$r: %4u\n" $n; \
done
remark #2177: 8
remark #2181: 22
remark #2550: 28
remark #2826: 6
remark #2961: 1
remark #4217: 3
remark #4219: 32
remark #4230: 2892 # 64 bit migration: conversion may cause target of
pointers to have a different size
remark #4234: 29
remark #4239: 2
remark #4244: 4
remark #4248: 4
remark #4271: 692 # type conversion may lose sign
remark #4273: 18
remark #4278: 3
remark #4280: 1
remark #4282: 1
remark #4283: 3
remark #4298: 18
remark #4300: 27
remark #4315: 61
{noformat}
> [HP aCC 6.15] lots of noise due to compiler remarks
> ---------------------------------------------------
>
> Key: STDCXX-695
> URL: https://issues.apache.org/jira/browse/STDCXX-695
> Project: C++ Standard Library
> Issue Type: Bug
> Components: Build
> Affects Versions: 4.2.0
> Environment: HP aCC 6.15
> Reporter: Martin Sebor
> Assignee: Martin Sebor
> Fix For: 4.2.2
>
> Original Estimate: 2h
> Remaining Estimate: 2h
>
> The latest HP compiler on IPF issues lots of remarks, making our builds
> exceedingly noisy.
> Here's a breakdown of all the remarks we get in a recent 12S build along with
> the number of each:
> {noformat}
> F=hpux-11.31-ia64-acc-6.15-12S-610576-log; \
> R=`sed -n "s/.*: remark \(#[1-9][0-9]*-.\): .*/\1/p" $F | sort | uniq`; \
> for r in $R; do \
> n=`grep ": remark $r: " $F | wc -l`; echo $r: $n; \
> done
> #2177-D: 8 variable was declared but never referenced
> #2181-D: 9 argument is incompatible with corresponding format string
> conversion
> #2550-D: 28 variable was set but never used
> #2826-D: 44 parameter was never referenced
> #2961-D: 1 use of a type with no linkage to declare a variable with linkage
> #3235-D: 1 nonstandard conversion between pointer to function and pointer
> to data
> #3348-D: 799 declaration hides constant or variable
> #4217-D: 3 comparison of enum (represented as an unsigned integer) with zero
> #4219-D: 250 64 bit migration: type conversion may truncate value
> #4234-D: 28 type conversion may lose significant bits
> #4239-D: 2 case type mismatch with switch expression type
> #4244-D: 4 extern storage class used with a function definition
> #4248-D: 4 comparison of unsigned integer with a signed integer
> #4271-D: 780 type conversion may lose sign
> #4273-D: 18 floating-point equality and inequality comparisons may be
> inappropriate due to roundoff common in floating-point computation
> #4278-D: 3 the subexpression in logical expression is a constant
> #4282-D: 34 virtual function is called from constructor/destructor
> #4283-D: 3 access global variable in constructor
> #4296-D: 695 arithmetic operation on boolean type
> #4297-D: 1220 boolean value is used as array index
> #4298-D: 124 64 bit migration: addition result could be truncated before
> cast to bigger sized type
> #4299-D: 20 64 bit migration: multiply result could be truncated before
> cast to bigger sized type
> #4300-D: 60 Overflow while computing constant in left shift operation
> #4315-D: 60 while loop without body, did you insert an extra ';'?
> {noformat}
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