obtained gcc-4.6.4.tar.bz2 from upstream website;upstream

verified gcc-4.6.4.tar.bz2.sig;
imported gcc-4.6.4 source tree from verified upstream tarball.

downloading a git-generated archive based on the 'upstream' tag
should provide you with a source tree that is binary identical
to the one extracted from the above tarball.

if you have obtained the source via the command 'git clone',
however, do note that line-endings of files in your working
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1 files changed, 122 insertions, 0 deletions

diff --git a/gcc/testsuite/g++.dg/warn/Wparentheses-18.C b/gcc/testsuite/g++.dg/warn/Wparentheses-18.C
new file mode 100644
index 000000000..d562315f3
--- /dev/null
+++ b/gcc/testsuite/g++.dg/warn/Wparentheses-18.C
@@ -0,0 +1,122 @@
+// { dg-do compile }
+// { dg-options "-Wparentheses" }
+
+// Template version of Wparentheses-9.C.
+
+int foo (int);
+
+template<class T>
+void
+bar (T a, T b, T c)
+{
+  foo (a & b | c); // { dg-warning "parentheses" "correct warning" }
+  foo ((a & b) | c);
+  foo (a & (b | c));
+  foo (1 & 2 | c); // { dg-warning "parentheses" "correct warning" }
+  foo ((1 & 2) | c);
+  foo (1 & (2 | c));
+  foo (1 & 2 | 3); // { dg-warning "parentheses" "correct warning" }
+  foo ((1 & 2) | 3);
+  foo (1 & (2 | 3));
+  foo (a | b & c); // { dg-warning "parentheses" "correct warning" }
+  foo ((a | b) & c);
+  foo (a | (b & c));
+  foo (1 | 2 & c); // { dg-warning "parentheses" "correct warning" }
+  foo ((1 | 2) & c);
+  foo (1 | (2 & c));
+  foo (1 | 2 & 3); // { dg-warning "parentheses" "correct warning" }
+  foo ((1 | 2) & 3);
+  foo (1 | (2 & 3));
+  foo (a ^ b | c); // { dg-warning "parentheses" "correct warning" }
+  foo ((a ^ b) | c);
+  foo (a ^ (b | c));
+  foo (1 ^ 2 | c); // { dg-warning "parentheses" "correct warning" }
+  foo ((1 ^ 2) | c);
+  foo (1 ^ (2 | c));
+  foo (1 ^ 2 | 3); // { dg-warning "parentheses" "correct warning" }
+  foo ((1 ^ 2) | 3);
+  foo (1 ^ (2 | 3));
+  foo (a | b ^ c); // { dg-warning "parentheses" "correct warning" }
+  foo ((a | b) ^ c);
+  foo (a | (b ^ c));
+  foo (1 | 2 ^ c); // { dg-warning "parentheses" "correct warning" }
+  foo ((1 | 2) ^ c);
+  foo (1 | (2 ^ c));
+  foo (1 | 2 ^ 3); // { dg-warning "parentheses" "correct warning" }
+  foo ((1 | 2) ^ 3);
+  foo (1 | (2 ^ 3));
+  foo (a + b | c); // { dg-warning "parentheses" "correct warning" }
+  foo ((a + b) | c);
+  foo (a + (b | c));
+  foo (1 + 2 | c); // { dg-warning "parentheses" "correct warning" }
+  foo ((1 + 2) | c);
+  foo (1 + (2 | c));
+  foo (1 + 2 | 3); // { dg-warning "parentheses" "correct warning" }
+  foo ((1 + 2) | 3);
+  foo (1 + (2 | 3));
+  foo (a | b + c); // { dg-warning "parentheses" "correct warning" }
+  foo ((a | b) + c);
+  foo (a | (b + c));
+  foo (1 | 2 + c); // { dg-warning "parentheses" "correct warning" }
+  foo ((1 | 2) + c);
+  foo (1 | (2 + c));
+  foo (1 | 2 + 3); // { dg-warning "parentheses" "correct warning" }
+  foo ((1 | 2) + 3);
+  foo (1 | (2 + 3));
+  foo (a - b | c); // { dg-warning "parentheses" "correct warning" }
+  foo ((a - b) | c);
+  foo (a - (b | c));
+  foo (1 - 2 | c); // { dg-warning "parentheses" "correct warning" }
+  foo ((1 - 2) | c);
+  foo (1 - (2 | c));
+  foo (1 - 2 | 3); // { dg-warning "parentheses" "correct warning" }
+  foo ((1 - 2) | 3);
+  foo (1 - (2 | 3));
+  foo (a | b - c); // { dg-warning "parentheses" "correct warning" }
+  foo ((a | b) - c);
+  foo (a | (b - c));
+  foo (1 | 2 - c); // { dg-warning "parentheses" "correct warning" }
+  foo ((1 | 2) - c);
+  foo (1 | (2 - c));
+  foo (1 | 2 - 3); // { dg-warning "parentheses" "correct warning" }
+  foo ((1 | 2) - 3);
+  foo (1 | (2 - 3));
+  foo (a > b | c); // { dg-warning "parentheses" "correct warning" }
+  foo ((a > b) | c);
+  foo (a > (b | c));
+  foo (1 > 2 | c); // { dg-warning "parentheses" "correct warning" }
+  foo ((1 > 2) | c);
+  foo (1 > (2 | c));
+  foo (1 > 2 | 3); // { dg-warning "parentheses" "correct warning" }
+  foo ((1 > 2) | 3);
+  foo (1 > (2 | 3));
+  foo (a | b > c); // { dg-warning "parentheses" "correct warning" }
+  foo ((a | b) > c);
+  foo (a | (b > c));
+  foo (1 | 2 > c); // { dg-warning "parentheses" "correct warning" }
+  foo ((1 | 2) > c);
+  foo (1 | (2 > c));
+  foo (1 | 2 > 3); // { dg-warning "parentheses" "correct warning" }
+  foo ((1 | 2) > 3);
+  foo (1 | (2 > 3));
+  foo (a <= b | c); // { dg-warning "parentheses" "correct warning" }
+  foo ((a <= b) | c);
+  foo (a <= (b | c));
+  foo (1 <= 2 | c); // { dg-warning "parentheses" "correct warning" }
+  foo ((1 <= 2) | c);
+  foo (1 <= (2 | c));
+  foo (1 <= 2 | 3); // { dg-warning "parentheses" "correct warning" }
+  foo ((1 <= 2) | 3);
+  foo (1 <= (2 | 3));
+  foo (a | b <= c); // { dg-warning "parentheses" "correct warning" }
+  foo ((a | b) <= c);
+  foo (a | (b <= c));
+  foo (1 | 2 <= c); // { dg-warning "parentheses" "correct warning" }
+  foo ((1 | 2) <= c);
+  foo (1 | (2 <= c));
+  foo (1 | 2 <= 3); // { dg-warning "parentheses" "correct warning" }
+  foo ((1 | 2) <= 3);
+  foo (1 | (2 <= 3));
+}
+
+template void bar<int> (int, int, int); // { dg-message "instantiated" }