[BUILDROBOT] could not convert template argument ‘fill_decls_vec’ to ‘bool (*)(tree_node*&, tree_node**, auto_vec<cilk_decls>*)’ (was: [12/12] Simplify uses of hash_map)

[Jan-Benedict Glaw <jbglaw@lug-owl.de>]

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On Tue, 2015-06-23 15:57:48 +0100, Richard Sandiford <richard.sandiford@arm.com> wrote:
> At this point all hash_map traits know what kind of key they're
> dealing with, so we can make that a traits typedef, like it is for
> hash_table traits.  Then, if we make the default hash traits for
> T be T, we can use hash_table-style traits as the first template
> parameter to hash_map, without the need for a third.  That is, if
> foo_hash hashes elements of type foo_type:
> 
>   typedef simple_hashmap_traits <foo_hash> foo_traits;
>   hash_map <foo_type, value_type, foo_traits> x;
> 
> becomes just:
> 
>   hash_map <foo_hash, value_type> x;
> 
> just like a hash_table of foo_types would be:
> 
>   hash_table <foo_hash> y;
> 
> This patch makes that simplification.

One of the patches around yours, and I guess it's specifically this one, makes
g++ (GCC) 4.7.2 20121109 (Red Hat 4.7.2-8)  (on gcc110.fsffrance.org) unhappy:

g++ -fno-PIE -c  -DIN_GCC_FRONTEND -DIN_GCC_FRONTEND -g -O2 -DIN_GCC  -DCROSS_DIRECTORY_STRUCTURE  -fno-exceptions -fno-rtti -fasynchronous-unwind-tables -W -Wall -Wno-narrowing -Wwrite-strings -Wcast-qual -Wmissing-format-attribute -Woverloaded-virtual -pedantic -Wno-long-long -Wno-variadic-macros -Wno-overlength-strings -fno-common  -DHAVE_CONFIG_H -I. -Ic-family -I/home/jbglaw/repos/gcc/gcc -I/home/jbglaw/repos/gcc/gcc/c-family -I/home/jbglaw/repos/gcc/gcc/../include -I/home/jbglaw/repos/gcc/gcc/../libcpp/include  -I/home/jbglaw/repos/gcc/gcc/../libdecnumber -I/home/jbglaw/repos/gcc/gcc/../libdecnumber/dpd -I../libdecnumber -I/home/jbglaw/repos/gcc/gcc/../libbacktrace   -o c-family/cilk.o -MT c-family/cilk.o -MMD -MP -MF c-family/.deps/cilk.TPo /home/jbglaw/repos/gcc/gcc/c-family/cilk.c
In file included from /home/jbglaw/repos/gcc/gcc/coretypes.h:319:0,
                 from /home/jbglaw/repos/gcc/gcc/c-family/cilk.c:25:
/home/jbglaw/repos/gcc/gcc/input.h:37:12: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
/home/jbglaw/repos/gcc/gcc/c-family/cilk.c: In function ‘void build_wrapper_type(wrapper_data*)’:
/home/jbglaw/repos/gcc/gcc/c-family/cilk.c:438:77: error: no matching function for call to ‘hash_map<tree_node*, tree_node*>::traverse(auto_vec<cilk_decls>*)’
/home/jbglaw/repos/gcc/gcc/c-family/cilk.c:438:77: note: candidates are:
In file included from /home/jbglaw/repos/gcc/gcc/hash-table.h:553:0,
                 from /home/jbglaw/repos/gcc/gcc/coretypes.h:317,
                 from /home/jbglaw/repos/gcc/gcc/c-family/cilk.c:25:
/home/jbglaw/repos/gcc/gcc/hash-map.h:173:8: note: template<class Arg, bool (* f)(tree_node*&, tree_node* const&, Arg)> void hash_map::traverse(Arg) const [with Arg = Arg; bool (* f)(typename Traits::key_type&, const Value&, Arg) = f; KeyId = tree_node*; Value = tree_node*; Traits = simple_hashmap_traits<default_hash_traits<tree_node*> >]
/home/jbglaw/repos/gcc/gcc/hash-map.h:173:8: note:   template argument deduction/substitution failed:
/home/jbglaw/repos/gcc/gcc/c-family/cilk.c:438:77: error: could not convert template argument ‘fill_decls_vec’ to ‘bool (*)(tree_node*&, tree_node* const&, auto_vec<cilk_decls>*)’
In file included from /home/jbglaw/repos/gcc/gcc/hash-table.h:553:0,
                 from /home/jbglaw/repos/gcc/gcc/coretypes.h:317,
                 from /home/jbglaw/repos/gcc/gcc/c-family/cilk.c:25:
/home/jbglaw/repos/gcc/gcc/hash-map.h:181:8: note: template<class Arg, bool (* f)(tree_node*&, tree_node**, Arg)> void hash_map::traverse(Arg) const [with Arg = Arg; bool (* f)(typename Traits::key_type&, Value*, Arg) = f; KeyId = tree_node*; Value = tree_node*; Traits = simple_hashmap_traits<default_hash_traits<tree_node*> >]
/home/jbglaw/repos/gcc/gcc/hash-map.h:181:8: note:   template argument deduction/substitution failed:
/home/jbglaw/repos/gcc/gcc/c-family/cilk.c:438:77: error: could not convert template argument ‘fill_decls_vec’ to ‘bool (*)(tree_node*&, tree_node**, auto_vec<cilk_decls>*)’
/home/jbglaw/repos/gcc/gcc/c-family/cilk.c: In function ‘void cilk_outline(tree, tree_node**, void*)’:
/home/jbglaw/repos/gcc/gcc/c-family/cilk.c:542:77: error: no matching function for call to ‘hash_map<tree_node*, tree_node*>::traverse(auto_vec<cilk_decls>*)’
/home/jbglaw/repos/gcc/gcc/c-family/cilk.c:542:77: note: candidates are:
In file included from /home/jbglaw/repos/gcc/gcc/hash-table.h:553:0,
                 from /home/jbglaw/repos/gcc/gcc/coretypes.h:317,
                 from /home/jbglaw/repos/gcc/gcc/c-family/cilk.c:25:
/home/jbglaw/repos/gcc/gcc/hash-map.h:173:8: note: template<class Arg, bool (* f)(tree_node*&, tree_node* const&, Arg)> void hash_map::traverse(Arg) const [with Arg = Arg; bool (* f)(typename Traits::key_type&, const Value&, Arg) = f; KeyId = tree_node*; Value = tree_node*; Traits = simple_hashmap_traits<default_hash_traits<tree_node*> >]
/home/jbglaw/repos/gcc/gcc/hash-map.h:173:8: note:   template argument deduction/substitution failed:
/home/jbglaw/repos/gcc/gcc/c-family/cilk.c:542:77: error: could not convert template argument ‘fill_decls_vec’ to ‘bool (*)(tree_node*&, tree_node* const&, auto_vec<cilk_decls>*)’
In file included from /home/jbglaw/repos/gcc/gcc/hash-table.h:553:0,
                 from /home/jbglaw/repos/gcc/gcc/coretypes.h:317,
                 from /home/jbglaw/repos/gcc/gcc/c-family/cilk.c:25:
/home/jbglaw/repos/gcc/gcc/hash-map.h:181:8: note: template<class Arg, bool (* f)(tree_node*&, tree_node**, Arg)> void hash_map::traverse(Arg) const [with Arg = Arg; bool (* f)(typename Traits::key_type&, Value*, Arg) = f; KeyId = tree_node*; Value = tree_node*; Traits = simple_hashmap_traits<default_hash_traits<tree_node*> >]
/home/jbglaw/repos/gcc/gcc/hash-map.h:181:8: note:   template argument deduction/substitution failed:
/home/jbglaw/repos/gcc/gcc/c-family/cilk.c:542:77: error: could not convert template argument ‘fill_decls_vec’ to ‘bool (*)(tree_node*&, tree_node**, auto_vec<cilk_decls>*)’
/home/jbglaw/repos/gcc/gcc/c-family/cilk.c: In function ‘tree_node* create_cilk_wrapper(tree, tree_node**)’:
/home/jbglaw/repos/gcc/gcc/c-family/cilk.c:749:76: error: no matching function for call to ‘hash_map<tree_node*, tree_node*>::traverse(auto_vec<cilk_decls>*)’
/home/jbglaw/repos/gcc/gcc/c-family/cilk.c:749:76: note: candidates are:
In file included from /home/jbglaw/repos/gcc/gcc/hash-table.h:553:0,
                 from /home/jbglaw/repos/gcc/gcc/coretypes.h:317,
                 from /home/jbglaw/repos/gcc/gcc/c-family/cilk.c:25:
/home/jbglaw/repos/gcc/gcc/hash-map.h:173:8: note: template<class Arg, bool (* f)(tree_node*&, tree_node* const&, Arg)> void hash_map::traverse(Arg) const [with Arg = Arg; bool (* f)(typename Traits::key_type&, const Value&, Arg) = f; KeyId = tree_node*; Value = tree_node*; Traits = simple_hashmap_traits<default_hash_traits<tree_node*> >]
/home/jbglaw/repos/gcc/gcc/hash-map.h:173:8: note:   template argument deduction/substitution failed:
/home/jbglaw/repos/gcc/gcc/c-family/cilk.c:749:76: error: could not convert template argument ‘fill_decls_vec’ to ‘bool (*)(tree_node*&, tree_node* const&, auto_vec<cilk_decls>*)’
In file included from /home/jbglaw/repos/gcc/gcc/hash-table.h:553:0,
                 from /home/jbglaw/repos/gcc/gcc/coretypes.h:317,
                 from /home/jbglaw/repos/gcc/gcc/c-family/cilk.c:25:
/home/jbglaw/repos/gcc/gcc/hash-map.h:181:8: note: template<class Arg, bool (* f)(tree_node*&, tree_node**, Arg)> void hash_map::traverse(Arg) const [with Arg = Arg; bool (* f)(typename Traits::key_type&, Value*, Arg) = f; KeyId = tree_node*; Value = tree_node*; Traits = simple_hashmap_traits<default_hash_traits<tree_node*> >]
/home/jbglaw/repos/gcc/gcc/hash-map.h:181:8: note:   template argument deduction/substitution failed:
/home/jbglaw/repos/gcc/gcc/c-family/cilk.c:749:76: error: could not convert template argument ‘fill_decls_vec’ to ‘bool (*)(tree_node*&, tree_node**, auto_vec<cilk_decls>*)’
make[1]: *** [c-family/cilk.o] Error 1
make[1]: Leaving directory `/home/jbglaw/build/cris/build-gcc/gcc'
make: *** [all-gcc] Error 2


See eg.
http://toolchain.lug-owl.de/buildbot/show_build_details.php?id=448826

MfG, JBG

-- 
      Jan-Benedict Glaw      jbglaw@lug-owl.de              +49-172-7608481
 Signature of:                            If it doesn't work, force it.
 the second  :                   If it breaks, it needed replacing anyway.

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