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GNU C Library master sources branch master updated. glibc-2.22-474-gf1d237d

From: jsm28 at sourceware dot org
To: glibc-cvs at sourceware dot org
Date: 27 Oct 2015 23:42:41 -0000
Subject: GNU C Library master sources branch master updated. glibc-2.22-474-gf1d237d
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http://sourceware.org/git/gitweb.cgi?p=glibc.git;a=commitdiff;h=f1d237df1eec1df8cbc34f95540fd4035776e79c

commit f1d237df1eec1df8cbc34f95540fd4035776e79c
Author: Joseph Myers <joseph@codesourcery.com>
Date:   Tue Oct 27 23:42:20 2015 +0000

    Remove GCC version conditionals on -Wmaybe-uninitialized pragmas.
    
    One common case of __GNUC_PREREQ (4, 7) conditionals is use of
    diagnostic control pragmas for -Wmaybe-uninitialized, an option
    introduced in GCC 4.7 where older GCC needed -Wuninitialized to be
    controlled instead if the warning appeared with older GCC.  This patch
    removes such conditionals.
    
    (There remain several older uses of -Wno-uninitialized in makefiles
    that still need to be converted to diagnostic control pragmas if the
    issue is still present with current sources and supported GCC
    versions, and it's likely that in most cases those pragmas also will
    end up controlling -Wmaybe-uninitialized.)
    
    Tested for x86_64 and x86 (testsuite, and that installed stripped
    shared libraries are unchanged by the patch, except for libresolv
    since res_send.c contains assertions whose line numbers are changed by
    the patch).
    
    	* resolv/res_send.c (send_vc) [__GNUC_PREREQ (4, 7)]: Make code
    	unconditional.
    	* soft-fp/fmadf4.c [__GNUC_PREREQ (4, 7)]: Likewise.
    	[!__GNUC_PREREQ (4, 7)]: Remove conditional code.
    	* soft-fp/fmasf4.c [__GNUC_PREREQ (4, 7)]: Make code
    	unconditional.
    	[!__GNUC_PREREQ (4, 7)]: Remove conditional code.
    	* soft-fp/fmatf4.c [__GNUC_PREREQ (4, 7)]: Make code
    	unconditional.
    	[!__GNUC_PREREQ (4, 7)]: Remove conditional code.
    	* stdlib/setenv.c
    	[((__GNUC__ << 16) + __GNUC_MINOR__) >= ((4 << 16) + 7)]: Make
    	code unconditional.
    	[!(((__GNUC__ << 16) + __GNUC_MINOR__) >= ((4 << 16) + 7))]:
    	Remove conditional code.
    	* sysdeps/ieee754/dbl-64/e_lgamma_r.c
    	(__ieee754_lgamma_r) [__GNUC_PREREQ (4, 7)]: Make code
    	unconditional.
    	(__ieee754_lgamma_r) [!__GNUC_PREREQ (4, 7)]: Remove conditional
    	code.
    	* sysdeps/ieee754/flt-32/e_lgammaf_r.c
    	(__ieee754_lgammaf_r) [__GNUC_PREREQ (4, 7)]: Make code
    	unconditional.
    	(__ieee754_lgammaf_r) [!__GNUC_PREREQ (4, 7)]: Remove conditional
    	code.
    	* sysdeps/ieee754/ldbl-128/k_tanl.c
    	(__kernel_tanl) [__GNUC_PREREQ (4, 7)]: Make code unconditional.
    	(__kernel_tanl) [!__GNUC_PREREQ (4, 7)]: Remove conditional code.
    	* sysdeps/ieee754/ldbl-128ibm/k_tanl.c
    	(__kernel_tanl) [__GNUC_PREREQ (4, 7)]: Make code unconditional.
    	(__kernel_tanl) [!__GNUC_PREREQ (4, 7)]: Remove conditional code.
    	* sysdeps/ieee754/ldbl-96/e_lgammal_r.c
    	(__ieee754_lgammal_r) [__GNUC_PREREQ (4, 7)]: Make code
    	unconditional.
    	(__ieee754_lgammal_r) [!__GNUC_PREREQ (4, 7)]: Remove conditional
    	code.
    	* sysdeps/ieee754/ldbl-96/k_tanl.c
    	(__kernel_tanl) [__GNUC_PREREQ (4, 7)]: Make code unconditional.
    	(__kernel_tanl) [!__GNUC_PREREQ (4, 7)]: Remove conditional code.

diff --git a/ChangeLog b/ChangeLog
index c6404a6..2f1292e 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,5 +1,45 @@
 2015-10-27  Joseph Myers  <joseph@codesourcery.com>
 
+	* resolv/res_send.c (send_vc) [__GNUC_PREREQ (4, 7)]: Make code
+	unconditional.
+	* soft-fp/fmadf4.c [__GNUC_PREREQ (4, 7)]: Likewise.
+	[!__GNUC_PREREQ (4, 7)]: Remove conditional code.
+	* soft-fp/fmasf4.c [__GNUC_PREREQ (4, 7)]: Make code
+	unconditional.
+	[!__GNUC_PREREQ (4, 7)]: Remove conditional code.
+	* soft-fp/fmatf4.c [__GNUC_PREREQ (4, 7)]: Make code
+	unconditional.
+	[!__GNUC_PREREQ (4, 7)]: Remove conditional code.
+	* stdlib/setenv.c
+	[((__GNUC__ << 16) + __GNUC_MINOR__) >= ((4 << 16) + 7)]: Make
+	code unconditional.
+	[!(((__GNUC__ << 16) + __GNUC_MINOR__) >= ((4 << 16) + 7))]:
+	Remove conditional code.
+	* sysdeps/ieee754/dbl-64/e_lgamma_r.c
+	(__ieee754_lgamma_r) [__GNUC_PREREQ (4, 7)]: Make code
+	unconditional.
+	(__ieee754_lgamma_r) [!__GNUC_PREREQ (4, 7)]: Remove conditional
+	code.
+	* sysdeps/ieee754/flt-32/e_lgammaf_r.c
+	(__ieee754_lgammaf_r) [__GNUC_PREREQ (4, 7)]: Make code
+	unconditional.
+	(__ieee754_lgammaf_r) [!__GNUC_PREREQ (4, 7)]: Remove conditional
+	code.
+	* sysdeps/ieee754/ldbl-128/k_tanl.c
+	(__kernel_tanl) [__GNUC_PREREQ (4, 7)]: Make code unconditional.
+	(__kernel_tanl) [!__GNUC_PREREQ (4, 7)]: Remove conditional code.
+	* sysdeps/ieee754/ldbl-128ibm/k_tanl.c
+	(__kernel_tanl) [__GNUC_PREREQ (4, 7)]: Make code unconditional.
+	(__kernel_tanl) [!__GNUC_PREREQ (4, 7)]: Remove conditional code.
+	* sysdeps/ieee754/ldbl-96/e_lgammal_r.c
+	(__ieee754_lgammal_r) [__GNUC_PREREQ (4, 7)]: Make code
+	unconditional.
+	(__ieee754_lgammal_r) [!__GNUC_PREREQ (4, 7)]: Remove conditional
+	code.
+	* sysdeps/ieee754/ldbl-96/k_tanl.c
+	(__kernel_tanl) [__GNUC_PREREQ (4, 7)]: Make code unconditional.
+	(__kernel_tanl) [!__GNUC_PREREQ (4, 7)]: Remove conditional code.
+
 	* nptl/tst-initializers1-c11.c: New file.
 	* nptl/tst-initializers1-gnu11.c: Likewise.
 	* nptl/Makefile (tests): Add these new tests.
diff --git a/resolv/res_send.c b/resolv/res_send.c
index 6137e4d..3550740 100644
--- a/resolv/res_send.c
+++ b/resolv/res_send.c
@@ -655,14 +655,10 @@ send_vc(res_state statp,
 	   times round the loop resplen has been initialized.  So this is
 	   a false-positive.
 	 */
-#if __GNUC_PREREQ (4, 7)
 	DIAG_PUSH_NEEDS_COMMENT;
 	DIAG_IGNORE_NEEDS_COMMENT (5, "-Wmaybe-uninitialized");
-#endif
 	int resplen;
-#if __GNUC_PREREQ (4, 7)
 	DIAG_POP_NEEDS_COMMENT;
-#endif
 	struct iovec iov[4];
 	u_short len;
 	u_short len2;
@@ -780,10 +776,8 @@ send_vc(res_state statp,
 			/* No buffer allocated for the first
 			   reply.  We can try to use the rest
 			   of the user-provided buffer.  */
-#if __GNUC_PREREQ (4, 7)
 			DIAG_PUSH_NEEDS_COMMENT;
 			DIAG_IGNORE_NEEDS_COMMENT (5, "-Wmaybe-uninitialized");
-#endif
 #if _STRING_ARCH_unaligned
 			*anssizp2 = orig_anssizp - resplen;
 			*ansp2 = *ansp + resplen;
@@ -794,9 +788,7 @@ send_vc(res_state statp,
 			*anssizp2 = orig_anssizp - aligned_resplen;
 			*ansp2 = *ansp + aligned_resplen;
 #endif
-#if __GNUC_PREREQ (4, 7)
 			DIAG_POP_NEEDS_COMMENT;
-#endif
 		} else {
 			/* The first reply did not fit into the
 			   user-provided buffer.  Maybe the second
diff --git a/soft-fp/fmadf4.c b/soft-fp/fmadf4.c
index 9330948..fd915f4 100644
--- a/soft-fp/fmadf4.c
+++ b/soft-fp/fmadf4.c
@@ -34,11 +34,7 @@
    it may be where R is defined using a macro or it may be where the
    macro is defined.  */
 DIAG_PUSH_NEEDS_COMMENT;
-#if __GNUC_PREREQ (4, 7)
 DIAG_IGNORE_NEEDS_COMMENT (4.9, "-Wmaybe-uninitialized");
-#else
-DIAG_IGNORE_NEEDS_COMMENT (4.9, "-Wuninitialized");
-#endif
 #include <math.h>
 #include "soft-fp.h"
 #include "double.h"
diff --git a/soft-fp/fmasf4.c b/soft-fp/fmasf4.c
index 359d49c..9524913 100644
--- a/soft-fp/fmasf4.c
+++ b/soft-fp/fmasf4.c
@@ -34,11 +34,7 @@
    it may be where R is defined using a macro or it may be where the
    macro is defined.  */
 DIAG_PUSH_NEEDS_COMMENT;
-#if __GNUC_PREREQ (4, 7)
 DIAG_IGNORE_NEEDS_COMMENT (4.9, "-Wmaybe-uninitialized");
-#else
-DIAG_IGNORE_NEEDS_COMMENT (4.9, "-Wuninitialized");
-#endif
 #include <math.h>
 #include "soft-fp.h"
 #include "single.h"
diff --git a/soft-fp/fmatf4.c b/soft-fp/fmatf4.c
index 9c99303..ab805c2 100644
--- a/soft-fp/fmatf4.c
+++ b/soft-fp/fmatf4.c
@@ -34,11 +34,7 @@
    it may be where R is defined using a macro or it may be where the
    macro is defined.  */
 DIAG_PUSH_NEEDS_COMMENT;
-#if __GNUC_PREREQ (4, 7)
 DIAG_IGNORE_NEEDS_COMMENT (4.9, "-Wmaybe-uninitialized");
-#else
-DIAG_IGNORE_NEEDS_COMMENT (4.9, "-Wuninitialized");
-#endif
 #include <math.h>
 #include "soft-fp.h"
 #include "quad.h"
diff --git a/stdlib/setenv.c b/stdlib/setenv.c
index 4064a52..3e68149 100644
--- a/stdlib/setenv.c
+++ b/stdlib/setenv.c
@@ -24,11 +24,7 @@
    there seems to be no way to pacify GCC selectively, only for the
    place where it's needed.  Do not use DIAG_IGNORE_NEEDS_COMMENT
    here, as it's not defined yet.  */
-#if ((__GNUC__ << 16) + __GNUC_MINOR__) >= ((4 << 16) + 7)
-# pragma GCC diagnostic ignored "-Wmaybe-uninitialized"
-#else
-# pragma GCC diagnostic ignored "-Wuninitialized"
-#endif
+#pragma GCC diagnostic ignored "-Wmaybe-uninitialized"
 
 #include <errno.h>
 #if !_LIBC
diff --git a/sysdeps/ieee754/dbl-64/e_lgamma_r.c b/sysdeps/ieee754/dbl-64/e_lgamma_r.c
index da158cb..15154c0 100644
--- a/sysdeps/ieee754/dbl-64/e_lgamma_r.c
+++ b/sysdeps/ieee754/dbl-64/e_lgamma_r.c
@@ -302,11 +302,7 @@ __ieee754_lgamma_r(double x, int *signgamp)
 	   although in the cases where it is used it has always been
 	   set.  */
 	DIAG_PUSH_NEEDS_COMMENT;
-#if __GNUC_PREREQ (4, 7)
 	DIAG_IGNORE_NEEDS_COMMENT (4.9, "-Wmaybe-uninitialized");
-#else
-	DIAG_IGNORE_NEEDS_COMMENT (4.9, "-Wuninitialized");
-#endif
 	if(hx<0) r = nadj - r;
 	DIAG_POP_NEEDS_COMMENT;
 	return r;
diff --git a/sysdeps/ieee754/flt-32/e_lgammaf_r.c b/sysdeps/ieee754/flt-32/e_lgammaf_r.c
index 45a62c0..4d8a66b 100644
--- a/sysdeps/ieee754/flt-32/e_lgammaf_r.c
+++ b/sysdeps/ieee754/flt-32/e_lgammaf_r.c
@@ -238,11 +238,7 @@ __ieee754_lgammaf_r(float x, int *signgamp)
 	   although in the cases where it is used it has always been
 	   set.  */
 	DIAG_PUSH_NEEDS_COMMENT;
-#if __GNUC_PREREQ (4, 7)
 	DIAG_IGNORE_NEEDS_COMMENT (4.9, "-Wmaybe-uninitialized");
-#else
-	DIAG_IGNORE_NEEDS_COMMENT (4.9, "-Wuninitialized");
-#endif
 	if(hx<0) r = nadj - r;
 	DIAG_POP_NEEDS_COMMENT;
 	return r;
diff --git a/sysdeps/ieee754/ldbl-128/k_tanl.c b/sysdeps/ieee754/ldbl-128/k_tanl.c
index 8ff9192..6bb221e 100644
--- a/sysdeps/ieee754/ldbl-128/k_tanl.c
+++ b/sysdeps/ieee754/ldbl-128/k_tanl.c
@@ -141,11 +141,7 @@ __kernel_tanl (long double x, long double y, int iy)
 	 uninitialized although in the cases where it is used it has
 	 always been set.  */
       DIAG_PUSH_NEEDS_COMMENT;
-#if __GNUC_PREREQ (4, 7)
       DIAG_IGNORE_NEEDS_COMMENT (5, "-Wmaybe-uninitialized");
-#else
-      DIAG_IGNORE_NEEDS_COMMENT (5, "-Wuninitialized");
-#endif
       if (sign < 0)
 	w = -w;
       DIAG_POP_NEEDS_COMMENT;
diff --git a/sysdeps/ieee754/ldbl-128ibm/k_tanl.c b/sysdeps/ieee754/ldbl-128ibm/k_tanl.c
index 22e53fc..3c1bf32 100644
--- a/sysdeps/ieee754/ldbl-128ibm/k_tanl.c
+++ b/sysdeps/ieee754/ldbl-128ibm/k_tanl.c
@@ -141,11 +141,7 @@ __kernel_tanl (long double x, long double y, int iy)
 	 uninitialized although in the cases where it is used it has
 	 always been set.  */
       DIAG_PUSH_NEEDS_COMMENT;
-#if __GNUC_PREREQ (4, 7)
       DIAG_IGNORE_NEEDS_COMMENT (5, "-Wmaybe-uninitialized");
-#else
-      DIAG_IGNORE_NEEDS_COMMENT (5, "-Wuninitialized");
-#endif
       if (sign < 0)
 	w = -w;
       DIAG_POP_NEEDS_COMMENT;
diff --git a/sysdeps/ieee754/ldbl-96/e_lgammal_r.c b/sysdeps/ieee754/ldbl-96/e_lgammal_r.c
index a80002b..9862fe8 100644
--- a/sysdeps/ieee754/ldbl-96/e_lgammal_r.c
+++ b/sysdeps/ieee754/ldbl-96/e_lgammal_r.c
@@ -430,11 +430,7 @@ __ieee754_lgammal_r (long double x, int *signgamp)
      in warnings that it may be used uninitialized although in the
      cases where it is used it has always been set.  */
   DIAG_PUSH_NEEDS_COMMENT;
-#if __GNUC_PREREQ (4, 7)
   DIAG_IGNORE_NEEDS_COMMENT (4.9, "-Wmaybe-uninitialized");
-#else
-  DIAG_IGNORE_NEEDS_COMMENT (4.9, "-Wuninitialized");
-#endif
   if (se & 0x8000)
     r = nadj - r;
   DIAG_POP_NEEDS_COMMENT;
diff --git a/sysdeps/ieee754/ldbl-96/k_tanl.c b/sysdeps/ieee754/ldbl-96/k_tanl.c
index 6bee53e..0c050c1 100644
--- a/sysdeps/ieee754/ldbl-96/k_tanl.c
+++ b/sysdeps/ieee754/ldbl-96/k_tanl.c
@@ -138,11 +138,7 @@ __kernel_tanl (long double x, long double y, int iy)
         uninitialized although in the cases where it is used it has
         always been set.  */
       DIAG_PUSH_NEEDS_COMMENT;
-#if __GNUC_PREREQ (4, 7)
       DIAG_IGNORE_NEEDS_COMMENT (4.8, "-Wmaybe-uninitialized");
-#else
-      DIAG_IGNORE_NEEDS_COMMENT (4.8, "-Wuninitialized");
-#endif
       if (sign < 0)
 	w = -w;
       DIAG_POP_NEEDS_COMMENT;

-----------------------------------------------------------------------

Summary of changes:
 ChangeLog                             |   40 +++++++++++++++++++++++++++++++++
 resolv/res_send.c                     |    8 ------
 soft-fp/fmadf4.c                      |    4 ---
 soft-fp/fmasf4.c                      |    4 ---
 soft-fp/fmatf4.c                      |    4 ---
 stdlib/setenv.c                       |    6 +----
 sysdeps/ieee754/dbl-64/e_lgamma_r.c   |    4 ---
 sysdeps/ieee754/flt-32/e_lgammaf_r.c  |    4 ---
 sysdeps/ieee754/ldbl-128/k_tanl.c     |    4 ---
 sysdeps/ieee754/ldbl-128ibm/k_tanl.c  |    4 ---
 sysdeps/ieee754/ldbl-96/e_lgammal_r.c |    4 ---
 sysdeps/ieee754/ldbl-96/k_tanl.c      |    4 ---
 12 files changed, 41 insertions(+), 49 deletions(-)


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