Fix doubled indefinite articles, mostly in comments.

2020-03-14  Jakub Jelinek  <jakub@redhat.com>

	* gimple-fold.c (gimple_fold_builtin_strncpy): Change
	"a an" to "an" in a comment.
	* hsa-common.h (is_a_helper): Likewise.
	* tree-ssa-strlen.c (maybe_diag_stxncpy_trunc): Likewise.
	* config/arc/arc.c (arc600_corereg_hazard): Likewise.
	* config/s390/s390.c (s390_indirect_branch_via_thunk): Likewise.

	* logic.cc (formula::formula): Change "a an" to "an" in a comment.
	* parser.c (cp_debug_parser): Change "a an" to "an" in a string
	literal.

9 files changed, 22 insertions, 7 deletions

diff --git a/gcc/ChangeLog b/gcc/ChangeLog
index 2daa351..0f79a7c 100644
--- a/gcc/ChangeLog
+++ b/gcc/ChangeLog
@@ -1,3 +1,12 @@
+2020-03-14  Jakub Jelinek  <jakub@redhat.com>
+
+	* gimple-fold.c (gimple_fold_builtin_strncpy): Change
+	"a an" to "an" in a comment.
+	* hsa-common.h (is_a_helper): Likewise.
+	* tree-ssa-strlen.c (maybe_diag_stxncpy_trunc): Likewise.
+	* config/arc/arc.c (arc600_corereg_hazard): Likewise.
+	* config/s390/s390.c (s390_indirect_branch_via_thunk): Likewise.
+
 2020-03-13  Aaron Sawdey  <acsawdey@linux.ibm.com>
 
 	PR target/92379
diff --git a/gcc/config/arc/arc.c b/gcc/config/arc/arc.c
index c98bd6c..537af79 100644
--- a/gcc/config/arc/arc.c
+++ b/gcc/config/arc/arc.c
@@ -9353,7 +9353,7 @@ arc600_corereg_hazard (rtx_insn *pred, rtx_insn *succ)
 	  continue;
 	}
       rtx dest = XEXP (x, 0);
-      /* Check if this sets a an extension register.  N.B. we use 61 for the
+      /* Check if this sets an extension register.  N.B. we use 61 for the
 	 condition codes, which is definitely not an extension register.  */
       if (REG_P (dest) && REGNO (dest) >= 32 && REGNO (dest) < 61
 	  /* Check if the same register is used by the PAT.  */
diff --git a/gcc/config/s390/s390.c b/gcc/config/s390/s390.c
index ae2be36..b6bc334 100644
--- a/gcc/config/s390/s390.c
+++ b/gcc/config/s390/s390.c
@@ -13252,7 +13252,7 @@ s390_output_mi_thunk (FILE *file, tree thunk ATTRIBUTE_UNUSED,
   assemble_end_function (thunk, fnname);
 }
 
-/* Output either an indirect jump or a an indirect call
+/* Output either an indirect jump or an indirect call
    (RETURN_ADDR_REGNO != INVALID_REGNUM) with target register REGNO
    using a branch trampoline disabling branch target prediction.  */
 
diff --git a/gcc/cp/ChangeLog b/gcc/cp/ChangeLog
index eea795d..79434c9 100644
--- a/gcc/cp/ChangeLog
+++ b/gcc/cp/ChangeLog
@@ -1,3 +1,9 @@
+2020-03-14  Jakub Jelinek  <jakub@redhat.com>
+
+	* logic.cc (formula::formula): Change "a an" to "an" in a comment.
+	* parser.c (cp_debug_parser): Change "a an" to "an" in a string
+	literal.
+
 2020-03-13  Patrick Palka  <ppalka@redhat.com>
 
 	PR c++/67960
diff --git a/gcc/cp/logic.cc b/gcc/cp/logic.cc
index e0ffbd8..4e376fd 100644
--- a/gcc/cp/logic.cc
+++ b/gcc/cp/logic.cc
@@ -238,7 +238,7 @@ struct formula
 
   formula (tree t)
   {
-    /* This should call emplace_back(). There's a an extra copy being
+    /* This should call emplace_back(). There's an extra copy being
        invoked by using push_back().  */
     m_clauses.push_back (t);
     m_current = m_clauses.begin ();
diff --git a/gcc/cp/parser.c b/gcc/cp/parser.c
index 24f7167..0c7db8b 100644
--- a/gcc/cp/parser.c
+++ b/gcc/cp/parser.c
@@ -556,7 +556,7 @@ cp_debug_parser (FILE *file, cp_parser *parser)
 			      parser->in_statement & IN_SWITCH_STMT);
   cp_debug_print_flag (file, "Parsing a structured OpenMP block",
 			      parser->in_statement & IN_OMP_BLOCK);
-  cp_debug_print_flag (file, "Parsing a an OpenMP loop",
+  cp_debug_print_flag (file, "Parsing an OpenMP loop",
 			      parser->in_statement & IN_OMP_FOR);
   cp_debug_print_flag (file, "Parsing an if statement",
 			      parser->in_statement & IN_IF_STMT);
diff --git a/gcc/gimple-fold.c b/gcc/gimple-fold.c
index fa7a396..9e45cc5 100644
--- a/gcc/gimple-fold.c
+++ b/gcc/gimple-fold.c
@@ -1857,7 +1857,7 @@ gimple_fold_builtin_strncpy (gimple_stmt_iterator *gsi,
   /* If the LEN parameter is zero, return DEST.  */
   if (integer_zerop (len))
     {
-      /* Avoid warning if the destination refers to a an array/pointer
+      /* Avoid warning if the destination refers to an array/pointer
 	 decorate with attribute nonstring.  */
       if (!nonstring)
 	{
diff --git a/gcc/hsa-common.h b/gcc/hsa-common.h
index e12ffb1..ffeaaba 100644
--- a/gcc/hsa-common.h
+++ b/gcc/hsa-common.h
@@ -199,7 +199,7 @@ private:
   void operator delete (void *) {}
 };
 
-/* Report whether or not P is a an immediate operand.  */
+/* Report whether or not P is an immediate operand.  */
 
 template <>
 template <>
diff --git a/gcc/tree-ssa-strlen.c b/gcc/tree-ssa-strlen.c
index 8815cdb..0d70f3c 100644
--- a/gcc/tree-ssa-strlen.c
+++ b/gcc/tree-ssa-strlen.c
@@ -3081,7 +3081,7 @@ maybe_diag_stxncpy_trunc (gimple_stmt_iterator gsi, tree src, tree cnt)
 	return false;
     }
 
-  /* Likewise, if the destination refers to a an array/pointer declared
+  /* Likewise, if the destination refers to an array/pointer declared
      nonstring return early.  */
   if (get_attr_nonstring_decl (dstdecl, &ref))
     return false;