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authorNoah Misch <noah@leadboat.com>2015-07-29 22:49:48 -0400
committerNoah Misch <noah@leadboat.com>2015-07-29 22:54:03 -0400
commitd20327a4fdc13ca4a1ce25c91ceaf43927b6dc3c (patch)
tree80345136070edaf9395af4f6d8435329ca37b498
parentadf0072ab8ae283ab26793f0cd8acb5685910b3c (diff)
Blacklist xlc 32-bit inlining.
Per a suggestion from Tom Lane. Back-patch to 9.0 (all supported versions). While only 9.4 and up have code known to elicit this compiler bug, we were disabling inlining by accident until commit 43d89a23d59c487bc9258fad7a6187864cb8c0c0.
-rw-r--r--config/test_quiet_include.h9
1 files changed, 9 insertions, 0 deletions
diff --git a/config/test_quiet_include.h b/config/test_quiet_include.h
index eb0515ede78..f059e1c2913 100644
--- a/config/test_quiet_include.h
+++ b/config/test_quiet_include.h
@@ -3,3 +3,12 @@
* of the PGAC_C_INLINE macro in config/c-compiler.m4.
*/
static inline int fun () { return 0; }
+
+/*
+ * "IBM XL C/C++ for AIX, V12.1" miscompiles, for 32-bit, some inline
+ * expansions of ginCompareItemPointers() "long long" arithmetic. To take
+ * advantage of inlining, build a 64-bit PostgreSQL.
+ */
+#if defined(__ILP32__) && defined(__IBMC__)
+#error "known inlining bug"
+#endif