[sh] Wrap ASM_OUTPUT_ADDR_VEC_ELT in do {} while (0)

2017-11-23  Tom de Vries  <tom@codesourcery.com>

	* config/sh/sh.h (ASM_OUTPUT_ADDR_VEC_ELT): Wrap in "do {} while (0)".

From-SVN: r255100

gcc/ChangeLog

 2017-11-23  Tom de Vries  <tom@codesourcery.com>
 
+	* config/sh/sh.h (ASM_OUTPUT_ADDR_VEC_ELT): Wrap in "do {} while (0)".
+
+2017-11-23  Tom de Vries  <tom@codesourcery.com>
+
 	* config/ft32/ft32.h (ASM_OUTPUT_ADDR_VEC_ELT): Remove semicolon after
 	macro.
 

gcc/config/sh/sh.h

@@ -1755,11 +1755,12 @@ extern bool current_function_interrupt;
 
 /* Output an absolute table element.  */
 #define ASM_OUTPUT_ADDR_VEC_ELT(STREAM,VALUE) \
+  do {									\
     if (! optimize || TARGET_BIGTABLE)					\
       asm_fprintf ((STREAM), "\t.long\t%LL%d\n", (VALUE)); 		\
     else								\
-    asm_fprintf ((STREAM), "\t.word\t%LL%d\n", (VALUE));
-
+      asm_fprintf ((STREAM), "\t.word\t%LL%d\n", (VALUE));		\
+  } while (0)
 
 /* A C statement to be executed just prior to the output of
    assembler code for INSN, to modify the extracted operands so