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https://issues.apache.org/jira/browse/PROTON-1375?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15738101#comment-15738101
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Jiri Danek commented on PROTON-1375:
------------------------------------
{noformat}
[ 93%] Building C object
proton-c/src/tests/CMakeFiles/c-object-tests.dir/object.c.o
/qpid-proton-fuzz/proton-c/src/tests/object.c:60:16: error: passing an object
that undergoes default argument promotion to 'va_start' has undefined behavior
[-Werror,-Wvarargs]
va_start(ap, load_factor);
^
/qpid-proton-fuzz/proton-c/src/tests/object.c:53:51: note: parameter of type
'float' is declared here
static pn_map_t *build_map(size_t capacity, float load_factor, ...)
^
1 error generated.
{noformat}
> Compile without warnings under clang 4.0
> ----------------------------------------
>
> Key: PROTON-1375
> URL: https://issues.apache.org/jira/browse/PROTON-1375
> Project: Qpid Proton
> Issue Type: Bug
> Components: cpp-binding
> Reporter: Jiri Danek
> Assignee: Andrew Stitcher
> Priority: Minor
> Fix For: 0.14.0
>
>
> A new warning in clang "implicit conversion increases floating-point
> precision: 'float' to 'double' [-Werror,-Wdouble-promotion]" trips up on some
> c++ binding code. We should fix this.
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