all: Fix "specifc", "costant" and "constat" typos in comments

gcc/ChangeLog:

	* config/i386/i386-features.cc
	(general_scalar_chain::vector_const_cost): Fix spelling in
	comment.
	* ipa-prop.h (enum jump_func_type): Likewise.
	* tree-vectorizer.cc (try_vectorize_loop_1): Likewise.

gcc/cp/ChangeLog:

	* module.cc (trees_out::lang_vals): Fix spelling in comment.

gcc/jit/ChangeLog:

	* docs/_build/texinfo/libgccjit.texi: Fix spelling.
	* docs/internals/index.rst: Likewise.

libgm2/ChangeLog:

	* configure.host: Fix spelling in comment.

libstdc++-v3/ChangeLog:

	* configure.host: Fix spelling in comment.

gcc/testsuite/ChangeLog:

	* gfortran.dg/dynamic_dispatch_9.f03: Fix spelling in comment.
	* gfortran.dg/use_only_3.inc: Likewise

gcc/config/i386/i386-features.cc

@@ -545,7 +545,7 @@ scalar_chain::build (bitmap candidates, unsigned insn_uid, bitmap disallowed)
   return true;
 }
 
-/* Return a cost of building a vector costant
+/* Return a cost of building a vector constant
    instead of using a scalar one.  */
 
 int

gcc/cp/module.cc

@@ -7691,7 +7691,7 @@ trees_in::tree_node_bools (tree t)
 }
 
 
-/* Write out the lang-specifc vals of node T.  */
+/* Write out the lang-specific vals of node T.  */
 
 void
 trees_out::lang_vals (tree t)

gcc/ipa-prop.h

@@ -72,7 +72,7 @@ along with GCC; see the file COPYING3.  If not see
 enum jump_func_type
 {
   IPA_JF_UNKNOWN = 0,  /* newly allocated and zeroed jump functions default */
-  IPA_JF_CONST,             /* represented by field costant */
+  IPA_JF_CONST,             /* represented by field constant */
   IPA_JF_PASS_THROUGH,	    /* represented by field pass_through */
   IPA_JF_LOAD_AGG,	    /* represented by field load_agg */
   IPA_JF_ANCESTOR	    /* represented by field ancestor */

gcc/jit/docs/_build/texinfo/libgccjit.texi

@@ -15740,7 +15740,7 @@ The jit testsuite detects if
 @code{RUN_UNDER_VALGRIND} is present in the
 environment (with any value).  If it is present, it runs the test client
 code under valgrind@footnote{https://valgrind.org},
-specifcally, the default
+specifically, the default
 memcheck@footnote{https://valgrind.org/docs/manual/mc-manual.html}
 tool with
 --leak-check=full@footnote{https://valgrind.org/docs/manual/mc-manual.html#opt.leak-check}.

gcc/jit/docs/internals/index.rst

@@ -137,7 +137,7 @@ Running under valgrind
 The jit testsuite detects if :envvar:`RUN_UNDER_VALGRIND` is present in the
 environment (with any value).  If it is present, it runs the test client
 code under `valgrind <https://valgrind.org>`_,
-specifcally, the default
+specifically, the default
 `memcheck <https://valgrind.org/docs/manual/mc-manual.html>`_
 tool with
 `--leak-check=full

gcc/testsuite/gfortran.dg/dynamic_dispatch_9.f03

@@ -1,6 +1,6 @@
 ! { dg-do run }
 !
-! [OOP] Ensure that different specifc interfaces are
+! [OOP] Ensure that different specific interfaces are
 ! handled properly by dynamic dispatch.
 !
 ! Contributed by Salvatore Filippone <sfilippone@uniroma2.it>

gcc/testsuite/gfortran.dg/use_only_3.inc

@@ -397,7 +397,7 @@ END MODULE control_flags
      REAL(DP) :: ecutw = 0.0d0
      REAL(DP) :: gcutw = 0.0d0
 
-     !   values for costant cut-off computations
+     !   values for constant cut-off computations
 
      REAL(DP) :: ecfix = 0.0d0     ! value of the constant cut-off
      REAL(DP) :: ecutz = 0.0d0     ! height of the penalty function (above ecfix)

gcc/tree-vectorizer.cc

@@ -1137,7 +1137,7 @@ try_vectorize_loop_1 (hash_table<simduid_to_vf> *&simduid_to_vf_htab,
 		      || ifn == IFN_MASK_STORE
 		      || ifn == IFN_MASK_CALL
 		      /* Don't keep the if-converted parts when the ifn with
-			 specifc type is not supported by the backend.  */
+			 specific type is not supported by the backend.  */
 		      || (direct_internal_fn_p (ifn)
 			  && !direct_internal_fn_supported_p
 			  (call, OPTIMIZE_FOR_SPEED)))

libgm2/configure.host

@@ -200,10 +200,10 @@ cpu_opt_ext_random=cpu/generic/opt/bits/opt_random.h
 
 # Set any OS-dependent bits.
 # Set the os_include_dir.
-# Set the error_costants_dir.
+# Set the error_constants_dir.
 # Set c_model, c_compatibility here.
 # If atomic ops and/or numeric limits are OS-specific rather than
-# CPU-specifc, set those here too.
+# CPU-specific, set those here too.
 # THIS TABLE IS SORTED.  KEEP IT THAT WAY.
 case "${host_os}" in
   aix[56789]*)

libstdc++-v3/configure.host

@@ -210,10 +210,10 @@ cpu_opt_ext_random=cpu/generic/opt/bits/opt_random.h
 
 # Set any OS-dependent bits.
 # Set the os_include_dir.
-# Set the error_costants_dir.
+# Set the error_constants_dir.
 # Set c_model, c_compatibility here.
 # If atomic ops and/or numeric limits are OS-specific rather than
-# CPU-specifc, set those here too.
+# CPU-specific, set those here too.
 # THIS TABLE IS SORTED.  KEEP IT THAT WAY.
 case "${host_os}" in
   aix[56789]*)