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authorManuel López-Ibáñez <manu@gcc.gnu.org>2008-08-28 00:00:49 +0000
committerManuel López-Ibáñez <manu@gcc.gnu.org>2008-08-28 00:00:49 +0000
commit1bfb8f513f3d5af5a967b6860b0eb642e738de0c (patch)
tree00b3ce510ba3cb580887d6c03dc392d1719a90bf /gcc
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re PR c++/37217 (-Wconversion causes ICE with __builtin_strcmp with one char compare)
2008-08-27 Manuel Lopez-Ibanez <manu@gcc.gnu.org> PR 37217 * c-common.c (conversion_warning): Check for null operands. testsuite/ * gcc.dg/pr37217.c: New. From-SVN: r139682
Diffstat (limited to 'gcc')
-rw-r--r--gcc/ChangeLog5
-rw-r--r--gcc/c-common.c2
-rw-r--r--gcc/testsuite/ChangeLog5
-rw-r--r--gcc/testsuite/gcc.dg/pr37217.c10
4 files changed, 21 insertions, 1 deletions
diff --git a/gcc/ChangeLog b/gcc/ChangeLog
index 63b1981d..4175e02 100644
--- a/gcc/ChangeLog
+++ b/gcc/ChangeLog
@@ -1,5 +1,10 @@
2008-08-27 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
+ PR 37217
+ * c-common.c (convesion_warning): Check for null operands.
+
+2008-08-27 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
+
PR c/31673
* c-decl.c (check_for_loop_decls): Improve error message. Give
hint.
diff --git a/gcc/c-common.c b/gcc/c-common.c
index d06c969..e0a0829 100644
--- a/gcc/c-common.c
+++ b/gcc/c-common.c
@@ -1568,7 +1568,7 @@ conversion_warning (tree type, tree expr)
for (i = 0; i < expr_num_operands; i++)
{
tree op = TREE_OPERAND (expr, i);
- if (DECL_P (op) && DECL_ARTIFICIAL (op))
+ if (op && DECL_P (op) && DECL_ARTIFICIAL (op))
return;
}
diff --git a/gcc/testsuite/ChangeLog b/gcc/testsuite/ChangeLog
index d5d73d7..707ccb7 100644
--- a/gcc/testsuite/ChangeLog
+++ b/gcc/testsuite/ChangeLog
@@ -1,5 +1,10 @@
2008-08-27 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
+ PR 37217
+ * gcc.dg/pr37217.c: New.
+
+2008-08-27 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
+
PR c/31673
* gcc.dg/c90-fordecl-1.c: Update.
diff --git a/gcc/testsuite/gcc.dg/pr37217.c b/gcc/testsuite/gcc.dg/pr37217.c
new file mode 100644
index 0000000..989eda2
--- /dev/null
+++ b/gcc/testsuite/gcc.dg/pr37217.c
@@ -0,0 +1,10 @@
+/* PR 37217 ICE with -Wconversion */
+/* { dg-do compile } */
+/* { dg-options "-Wconversion" } */
+typedef struct Tcl_ResolvedVarInfo {
+ char *re_guts;
+} regex_t;
+void TclReComp(regex_t *re)
+{
+ if (re->re_guts == ((void *)0)) ;
+}