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author | hjl <hjl@138bc75d-0d04-0410-961f-82ee72b054a4> | 2010-07-23 19:37:40 +0000 |
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committer | hjl <hjl@138bc75d-0d04-0410-961f-82ee72b054a4> | 2010-07-23 19:37:40 +0000 |
commit | 10ada81fea4490f94ba2eb5923bf5baa367a38bd (patch) | |
tree | 437dca120093cc7b1f6debf6f6b31779526c7192 /gcc/fortran/symbol.c | |
parent | 95a236de8aa10bf009e9368dfd28f95a980e5570 (diff) | |
parent | 3bd7a983695352a99f7dd597725eb5b839d4b4cf (diff) | |
download | gcc-ifunc.tar.gz |
Merged with trunk at revision 162480.ifunc
git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/branches/ifunc@162483 138bc75d-0d04-0410-961f-82ee72b054a4
Diffstat (limited to 'gcc/fortran/symbol.c')
-rw-r--r-- | gcc/fortran/symbol.c | 32 |
1 files changed, 32 insertions, 0 deletions
diff --git a/gcc/fortran/symbol.c b/gcc/fortran/symbol.c index df6ada963c3..18f7b253a28 100644 --- a/gcc/fortran/symbol.c +++ b/gcc/fortran/symbol.c @@ -2565,6 +2565,27 @@ select_type_insert_tmp (gfc_symtree **st) } +/* Look for a symtree in the current procedure -- that is, go up to + parent namespaces but only if inside a BLOCK. Returns NULL if not found. */ + +gfc_symtree* +gfc_find_symtree_in_proc (const char* name, gfc_namespace* ns) +{ + while (ns) + { + gfc_symtree* st = gfc_find_symtree (ns->sym_root, name); + if (st) + return st; + + if (!ns->construct_entities) + break; + ns = ns->parent; + } + + return NULL; +} + + /* Search for a symtree starting in the current namespace, resorting to any parent namespaces if requested by a nonzero parent_flag. Returns nonzero if the name is ambiguous. */ @@ -2811,6 +2832,17 @@ gfc_symbols_could_alias (gfc_symbol *lsym, gfc_symbol *rsym) if (lsym->attr.allocatable && rsym->attr.pointer) return 1; + /* Special case: Argument association, cf. F90 12.4.1.6, F2003 12.4.1.7 + and F2008 12.5.2.13 items 3b and 4b. The pointer case (a) is already + checked above. */ + if (lsym->attr.target && rsym->attr.target + && ((lsym->attr.dummy && !lsym->attr.contiguous + && (!lsym->attr.dimension || lsym->as->type == AS_ASSUMED_SHAPE)) + || (rsym->attr.dummy && !rsym->attr.contiguous + && (!rsym->attr.dimension + || rsym->as->type == AS_ASSUMED_SHAPE)))) + return 1; + return 0; } |