Revert "cmd/cgo: silence unaligned-access"

This reverts commit http://go.dev/cl/c/go/+/526915

Reason for revert: darwin builders unhappy with '-Wunaligned-access' C compiler flag

Change-Id: I5e6ca7c9a0ca08b7e758b7f603da70a2fca79b58
Reviewed-on: https://go-review.googlesource.com/c/go/+/526978
Reviewed-by: Than McIntosh <thanm@google.com>
Reviewed-by: Dmitri Shuralyov <dmitshur@google.com>
Reviewed-by: Dmitri Shuralyov <dmitshur@golang.org>
Auto-Submit: Than McIntosh <thanm@google.com>
LUCI-TryBot-Result: Go LUCI <golang-scoped@luci-project-accounts.iam.gserviceaccount.com>

diff --git a/src/cmd/cgo/out.go b/src/cmd/cgo/out.go
index ac68b77d195546663b03d0a67a09d4d02763f2f6..8e1b5d62fd702994b0c5a1e8fb55384f6561748e 100644 (file)
--- a/src/cmd/cgo/out.go
+++ b/src/cmd/cgo/out.go
@@ -910,7 +910,6 @@ func (p *Package) writeExports(fgo2, fm, fgcc, fgcch io.Writer) {
        fmt.Fprintf(fgcc, "#pragma GCC diagnostic ignored \"-Wunknown-pragmas\"\n")
        fmt.Fprintf(fgcc, "#pragma GCC diagnostic ignored \"-Wpragmas\"\n")
        fmt.Fprintf(fgcc, "#pragma GCC diagnostic ignored \"-Waddress-of-packed-member\"\n")
-       fmt.Fprintf(fgcc, "#pragma GCC diagnostic ignored \"-Wunaligned-access\"\n")
 
        fmt.Fprintf(fgcc, "extern void crosscall2(void (*fn)(void *), void *, int, size_t);\n")
        fmt.Fprintf(fgcc, "extern size_t _cgo_wait_runtime_init_done(void);\n")
@@ -1523,7 +1522,6 @@ extern char* _cgo_topofstack(void);
 #pragma GCC diagnostic ignored "-Wunknown-pragmas"
 #pragma GCC diagnostic ignored "-Wpragmas"
 #pragma GCC diagnostic ignored "-Waddress-of-packed-member"
-#pragma GCC diagnostic ignored "-Wunaligned-access"
 
 #include <errno.h>
 #include <string.h>