[committed] analyzer: silence -Wsign-compare warnings

[David Malcolm via Gcc-patches]

Successfully bootstrapped & regrtested on x86_64-pc-linux-gnu.
Pushed to master as 9b4b1ed50f1e0f252a86851456b58bb2e142c495.

gcc/analyzer/ChangeLog:
        * constraint-manager.cc
        (constraint_manager::add_constraint_internal): Whitespace fixes.
        Silence -Wsign-compare warning.
        * engine.cc (maybe_process_run_of_before_supernode_enodes):
        Silence -Wsign-compare warning.
---
 gcc/analyzer/constraint-manager.cc | 6 +++---
 gcc/analyzer/engine.cc             | 2 +-
 2 files changed, 4 insertions(+), 4 deletions(-)

diff --git a/gcc/analyzer/constraint-manager.cc 
b/gcc/analyzer/constraint-manager.cc
index 5cd2c9e0e0b..603b22811c1 100644
--- a/gcc/analyzer/constraint-manager.cc
+++ b/gcc/analyzer/constraint-manager.cc
@@ -1014,10 +1014,10 @@ constraint_manager::add_unknown_constraint 
(equiv_class_id lhs_ec_id,
 
 void
 constraint_manager::add_constraint_internal (equiv_class_id lhs_id,
-                                             enum constraint_op c_op,
-                                             equiv_class_id rhs_id)
+                                            enum constraint_op c_op,
+                                            equiv_class_id rhs_id)
 {
-  if (m_constraints.length () >= param_analyzer_max_constraints)
+  if (m_constraints.length () >= (unsigned)param_analyzer_max_constraints)
     return;
 
   constraint new_c (lhs_id, c_op, rhs_id);
diff --git a/gcc/analyzer/engine.cc b/gcc/analyzer/engine.cc
index 84eaa8415da..c15d1195a97 100644
--- a/gcc/analyzer/engine.cc
+++ b/gcc/analyzer/engine.cc
@@ -2629,7 +2629,7 @@ maybe_process_run_of_before_supernode_enodes 
(exploded_node *enode)
        }
     got_merger:
       gcc_assert (it->m_merger_idx >= 0);
-      gcc_assert (it->m_merger_idx < merged_states.length ());
+      gcc_assert ((unsigned)it->m_merger_idx < merged_states.length ());
     }
 
   /* Create merger nodes.  */
-- 
2.26.2