From: Jeff Law <jeffreyalaw@gmail.com>
Date: Thu, 28 Apr 2022 16:03:52 +0000 (-0400)
Subject: [committed] Fix more problems with new linker warnings
X-Git-Tag: basepoints/gcc-14~7204
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=d993c6dea7c664aa26ee04210c471cfcb4e7d0e0;p=thirdparty%2Fgcc.git

[committed] Fix more problems with new linker warnings

gcc/testsuite
	* gcc.dg/lto/pr94157_0.c: Revert last change.
	* lib/prune.exp (prune_gcc_output): Prune new linker warning.
---

diff --git a/gcc/testsuite/gcc.dg/lto/pr94157_0.c b/gcc/testsuite/gcc.dg/lto/pr94157_0.c
index a76141b1809e..a6e308b855b2 100644
--- a/gcc/testsuite/gcc.dg/lto/pr94157_0.c
+++ b/gcc/testsuite/gcc.dg/lto/pr94157_0.c
@@ -1,6 +1,6 @@
 /* { dg-lto-do link } */
 /* { dg-require-effective-target gas } */
-/* { dg-lto-options { { -O0 -fipa-vrp -flto -Wa,--noexecstack -Wa,--noexecstack -Wa,--execstack  -Wa,--execstack -Wa,--execstack -Wa,--execstack -Wa,--execstack -Wa,--execstack -Wa,--execstack -Wa,--execstack -Wa,--execstack -Wa,--execstack -Wa,--execstack -Wa,--execstack -Wa,--execstack -Wa,--execstack -Wl,-z,execstack} } } */
+/* { dg-lto-options { { -O0 -fipa-vrp -flto -Wa,--noexecstack -Wa,--noexecstack -Wa,--execstack  -Wa,--execstack -Wa,--execstack -Wa,--execstack -Wa,--execstack -Wa,--execstack -Wa,--execstack -Wa,--execstack -Wa,--execstack -Wa,--execstack -Wa,--execstack -Wa,--execstack -Wa,--execstack -Wa,--execstack } } } */
 
 int main() {
 
diff --git a/gcc/testsuite/lib/prune.exp b/gcc/testsuite/lib/prune.exp
index 422498527aa9..04c6a1dd7a1e 100644
--- a/gcc/testsuite/lib/prune.exp
+++ b/gcc/testsuite/lib/prune.exp
@@ -82,6 +82,11 @@ proc prune_gcc_output { text } {
     regsub -all "(^|\n)\[^\n\]*file path prefix \[^\n\]* never used" $text "" text
     regsub -all "(^|\n)\[^\n\]*linker input file unused since linking not done" $text "" text
 
+    # Ideally the tests would indicate that executable stacks were needed
+    # to the linker.  But the option for that varies and may not even exist
+    # on some targets.  So we're stuck pruning the warning.
+    regsub -all "(^|\n)(\[^\n\]*: warning:\[^\n\]*requires executable stack\[^\n\]*\n?)+" $text "\\1" text
+
     # Ignore harmless warnings from Xcode 3.2.x.
     regsub -all "(^|\n)\[^\n\]*ld: warning: can't add line info to anonymous symbol\[^\n\]*" $text "" text
     regsub -all "(^|\n)\[^\n\]*warning: DWARFDebugInfoEntry::AppendDependants\[^\n\]*AT_\[^\n\]*FORM_ref4\[^\n\]*" $text "" text