Remove -Wswitch-enum compiler option.

The -Wswitch option included in -Wall provides the same level of coverage and allows enum options to be grouped into default.

doc/xml/release.xml

@@ -163,6 +163,10 @@
                         <p>Improve coverage in <file>perl/exec</file>, <file>config/config</file>, and <file>config/parse</file> modules.</p>
                     </release-item>
 
+                    <release-item>
+                        <p>Remove <id>-Wswitch-enum</id> compiler option.</p>
+                    </release-item>
+
                     <release-item>
                         <p>Error on multiple option alternate names and simplify help command.</p>
                     </release-item>

src/common/type/variant.c

@@ -256,8 +256,7 @@ varEq(const Variant *this1, const Variant *this2)
                     break;
                 }
 
-                case varTypeKeyValue:
+                default:
-                case varTypeVariantList:
                     THROW_FMT(AssertError, "unable to test equality for %s", variantTypeName[this1->type]);
             }
         }
@@ -382,9 +381,7 @@ varBoolForce(const Variant *this)
             result = varUInt64(this) != 0;
             break;
 
-        case varTypeDouble:
+        default:
-        case varTypeKeyValue:
-        case varTypeVariantList:
             THROW_FMT(AssertError, "unable to force %s to %s", variantTypeName[this->type], variantTypeName[varTypeBool]);
     }
 
@@ -484,8 +481,7 @@ varDblForce(const Variant *this)
             break;
         }
 
-        case varTypeKeyValue:
+        default:
-        case varTypeVariantList:
             THROW_FMT(AssertError, "unable to force %s to %s", variantTypeName[this->type], variantTypeName[varTypeDouble]);
     }
 
@@ -603,9 +599,7 @@ varIntForce(const Variant *this)
             break;
         }
 
-        case varTypeDouble:
+        default:
-        case varTypeKeyValue:
-        case varTypeVariantList:
             THROW_FMT(AssertError, "unable to force %s to %s", variantTypeName[this->type], variantTypeName[varTypeInt]);
     }
 
@@ -711,9 +705,7 @@ varInt64Force(const Variant *this)
             break;
         }
 
-        case varTypeDouble:
+        default:
-        case varTypeKeyValue:
-        case varTypeVariantList:
             THROW_FMT(AssertError, "unable to force %s to %s", variantTypeName[this->type], variantTypeName[varTypeInt64]);
     }
 
@@ -840,9 +832,7 @@ varUIntForce(const Variant *this)
             break;
         }
 
-        case varTypeDouble:
+        default:
-        case varTypeKeyValue:
-        case varTypeVariantList:
             THROW_FMT(AssertError, "unable to force %s to %s", variantTypeName[this->type], variantTypeName[varTypeUInt]);
     }
 
@@ -958,9 +948,7 @@ varUInt64Force(const Variant *this)
             break;
         }
 
-        case varTypeDouble:
+        default:
-        case varTypeKeyValue:
-        case varTypeVariantList:
             THROW_FMT(AssertError, "unable to force %s to %s", variantTypeName[this->type], variantTypeName[varTypeUInt64]);
     }
 
@@ -1137,8 +1125,7 @@ varStrForce(const Variant *this)
             break;
         }
 
-        case varTypeKeyValue:
+        default:
-        case varTypeVariantList:
             THROW_FMT(FormatError, "unable to force %s to %s", variantTypeName[this->type], variantTypeName[varTypeString]);
     }
 

src/configure

@@ -2799,7 +2799,7 @@ fi
     CWARNING=$warning
 
 else
-    CWARNING="$warning -Wwrite-strings -Wswitch-enum -Wconversion -Wformat=2 -Wformat-nonliteral -Wstrict-prototypes -Wpointer-arith -Wvla"
+    CWARNING="$warning -Wwrite-strings -Wconversion -Wformat=2 -Wformat-nonliteral -Wstrict-prototypes -Wpointer-arith -Wvla"
 
 fi
 

src/configure.ac

@@ -27,7 +27,7 @@ then
 
     AC_SUBST(CWARNING, $warning)
 else
-    AC_SUBST(CWARNING, "$warning -Wwrite-strings -Wswitch-enum -Wconversion -Wformat=2 -Wformat-nonliteral -Wstrict-prototypes -Wpointer-arith -Wvla")
+    AC_SUBST(CWARNING, "$warning -Wwrite-strings -Wconversion -Wformat=2 -Wformat-nonliteral -Wstrict-prototypes -Wpointer-arith -Wvla")
 fi
 
 # Set includes

test/lib/pgBackRestTest/Common/JobTest.pm

@@ -393,7 +393,7 @@ sub run
 
                 # Determine which warnings are available
                 my $strWarningFlags =
-                    '-Werror -Wfatal-errors -Wall -Wextra -Wwrite-strings -Wswitch-enum -Wconversion -Wformat=2' .
+                    '-Werror -Wfatal-errors -Wall -Wextra -Wwrite-strings -Wconversion -Wformat=2' .
                     ' -Wformat-nonliteral -Wstrict-prototypes -Wpointer-arith -Wvla' .
                     ($self->{oTest}->{&TEST_VM} eq VM_U16 || $self->{oTest}->{&TEST_VM} eq VM_U18 ?
                         ' -Wformat-signedness' : '') .